{"id":"CVE-2020-0646","state":"PUBLISHED","title":"A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.","description":"A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.","publishedAt":"2020-01-14T23:11:38.000Z","updatedAt":"2025-10-21T23:35:53.664Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"microsoft","products":["Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2","Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2","Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems","Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems","Microsoft Microsoft .NET Framework 4.8 on Windows Server, version 1803  (Server Core Installation)","Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems","Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems","Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems","Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016  (Server Core installation)","Microsoft Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1","Microsoft Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1","Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems","Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems","Microsoft Microsoft .NET Framework 4.8 on Windows RT 8.1","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2","Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019  (Server Core installation)","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019  (Server Core installation)","Microsoft Microsoft .NET Framework 4.6","Microsoft Microsoft .NET Framework 3.0","Microsoft Microsoft .NET Framework 3.5","Microsoft Microsoft .NET Framework 3.5.1","Microsoft Microsoft .NET Framework 4.5.2","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)","Microsoft Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803  (Server Core Installation)","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016  (Server Core installation)","Microsoft Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems","Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016"],"affected":[{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2","versions":[{"version":"Windows 7 for 32-bit Systems Service Pack 1","status":"affected"},{"version":"Windows 7 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows 8.1 for 32-bit systems","status":"affected"},{"version":"Windows 8.1 for x64-based systems","status":"affected"},{"version":"Windows RT 8.1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012","status":"affected"},{"version":"Windows Server 2012 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012 R2","status":"affected"},{"version":"Windows Server 2012 R2 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2","versions":[{"version":"Windows 10 Version 1607 for 32-bit Systems","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server, version 1803  (Server Core Installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2016","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2016  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows RT 8.1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)","versions":[{"version":"1903","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6","versions":[{"version":"Windows Server 2008 for 32-bit Systems Service Pack 2","status":"affected"},{"version":"Windows Server 2008 for x64-based Systems Service Pack 2","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.0","versions":[{"version":"Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2","status":"affected"},{"version":"Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2","status":"affected"},{"version":"Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5","versions":[{"version":"Windows 10 Version 1607 for 32-bit Systems","status":"affected"},{"version":"Windows 8.1 for 32-bit systems","status":"affected"},{"version":"Windows 8.1 for x64-based systems","status":"affected"},{"version":"Windows Server 2012","status":"affected"},{"version":"Windows Server 2012 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012 R2","status":"affected"},{"version":"Windows Server 2012 R2 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5.1","versions":[{"version":"Windows 7 for 32-bit Systems Service Pack 1","status":"affected"},{"version":"Windows 7 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.5.2","versions":[{"version":"Windows 7 for 32-bit Systems Service Pack 1","status":"affected"},{"version":"Windows 7 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows 8.1 for 32-bit systems","status":"affected"},{"version":"Windows 8.1 for x64-based systems","status":"affected"},{"version":"Windows RT 8.1","status":"affected"},{"version":"Windows Server 2008 for 32-bit Systems Service Pack 2","status":"affected"},{"version":"Windows Server 2008 for x64-based Systems Service Pack 2","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012","status":"affected"},{"version":"Windows Server 2012 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012 R2","status":"affected"},{"version":"Windows Server 2012 R2 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803  (Server Core Installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016","versions":[{"version":"unspecified","status":"affected"}]}],"references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646","http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0646"],"weaknesses":["CWE-91"],"ingestedAt":"2026-10-29T19:46:18.551Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/0xxx/CVE-2020-0646.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-0646","state":"PUBLISHED","datePublished":"2020-01-14T23:11:38.000Z","dateUpdated":"2025-10-21T23:35:53.664Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2019-11-04T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'."}],"affected":[{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2","versions":[{"version":"Windows 7 for 32-bit Systems Service Pack 1","status":"affected"},{"version":"Windows 7 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows 8.1 for 32-bit systems","status":"affected"},{"version":"Windows 8.1 for x64-based systems","status":"affected"},{"version":"Windows RT 8.1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012","status":"affected"},{"version":"Windows Server 2012 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012 R2","status":"affected"},{"version":"Windows Server 2012 R2 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2","versions":[{"version":"Windows 10 Version 1607 for 32-bit Systems","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server, version 1803  (Server Core Installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2016","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2016  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows RT 8.1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)","versions":[{"version":"1903","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.6","versions":[{"version":"Windows Server 2008 for 32-bit Systems Service Pack 2","status":"affected"},{"version":"Windows Server 2008 for x64-based Systems Service Pack 2","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.0","versions":[{"version":"Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2","status":"affected"},{"version":"Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2","status":"affected"},{"version":"Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5","versions":[{"version":"Windows 10 Version 1607 for 32-bit Systems","status":"affected"},{"version":"Windows 8.1 for 32-bit systems","status":"affected"},{"version":"Windows 8.1 for x64-based systems","status":"affected"},{"version":"Windows Server 2012","status":"affected"},{"version":"Windows Server 2012 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012 R2","status":"affected"},{"version":"Windows Server 2012 R2 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5.1","versions":[{"version":"Windows 7 for 32-bit Systems Service Pack 1","status":"affected"},{"version":"Windows 7 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 4.5.2","versions":[{"version":"Windows 7 for 32-bit Systems Service Pack 1","status":"affected"},{"version":"Windows 7 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows 8.1 for 32-bit systems","status":"affected"},{"version":"Windows 8.1 for x64-based systems","status":"affected"},{"version":"Windows RT 8.1","status":"affected"},{"version":"Windows Server 2008 for 32-bit Systems Service Pack 2","status":"affected"},{"version":"Windows Server 2008 for x64-based Systems Service Pack 2","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1","status":"affected"},{"version":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012","status":"affected"},{"version":"Windows Server 2012 (Server Core installation)","status":"affected"},{"version":"Windows Server 2012 R2","status":"affected"},{"version":"Windows Server 2012 R2 (Server Core installation)","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803  (Server Core Installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016  (Server Core installation)","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems","versions":[{"version":"unspecified","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016","versions":[{"version":"unspecified","status":"affected"}]}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646","tags":["x_refsource_MISC"]},{"url":"http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Remote Code Execution","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"microsoft","dateUpdated":"2020-03-26T16:06:02.000Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2020-0646","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2","version":{"version_data":[{"version_value":"Windows 7 for 32-bit Systems Service Pack 1"},{"version_value":"Windows 7 for x64-based Systems Service Pack 1"},{"version_value":"Windows 8.1 for 32-bit systems"},{"version_value":"Windows 8.1 for x64-based systems"},{"version_value":"Windows RT 8.1"},{"version_value":"Windows Server 2008 R2 for x64-based Systems Service Pack 1"},{"version_value":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"},{"version_value":"Windows Server 2012"},{"version_value":"Windows Server 2012 (Server Core installation)"},{"version_value":"Windows Server 2012 R2"},{"version_value":"Windows Server 2012 R2 (Server Core installation)"}]}},{"product_name":"Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2","version":{"version_data":[{"version_value":"Windows 10 Version 1607 for 32-bit Systems"}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server, version 1803  (Server Core Installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2016","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2016  (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows RT 8.1","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2012","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019  (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)","version":{"version_data":[{"version_value":"1903"}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019  (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 4.6","version":{"version_data":[{"version_value":"Windows Server 2008 for 32-bit Systems Service Pack 2"},{"version_value":"Windows Server 2008 for x64-based Systems Service Pack 2"}]}},{"product_name":"Microsoft .NET Framework 3.0","version":{"version_data":[{"version_value":"Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2"},{"version_value":"Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2"},{"version_value":"Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2"}]}},{"product_name":"Microsoft .NET Framework 3.5","version":{"version_data":[{"version_value":"Windows 10 Version 1607 for 32-bit Systems"},{"version_value":"Windows 8.1 for 32-bit systems"},{"version_value":"Windows 8.1 for x64-based systems"},{"version_value":"Windows Server 2012"},{"version_value":"Windows Server 2012 (Server Core installation)"},{"version_value":"Windows Server 2012 R2"},{"version_value":"Windows Server 2012 R2 (Server Core installation)"}]}},{"product_name":"Microsoft .NET Framework 3.5.1","version":{"version_data":[{"version_value":"Windows 7 for 32-bit Systems Service Pack 1"},{"version_value":"Windows 7 for x64-based Systems Service Pack 1"},{"version_value":"Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1"},{"version_value":"Windows Server 2008 R2 for x64-based Systems Service Pack 1"},{"version_value":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"}]}},{"product_name":"Microsoft .NET Framework 4.5.2","version":{"version_data":[{"version_value":"Windows 7 for 32-bit Systems Service Pack 1"},{"version_value":"Windows 7 for x64-based Systems Service Pack 1"},{"version_value":"Windows 8.1 for 32-bit systems"},{"version_value":"Windows 8.1 for x64-based systems"},{"version_value":"Windows RT 8.1"},{"version_value":"Windows Server 2008 for 32-bit Systems Service Pack 2"},{"version_value":"Windows Server 2008 for x64-based Systems Service Pack 2"},{"version_value":"Windows Server 2008 R2 for x64-based Systems Service Pack 1"},{"version_value":"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"},{"version_value":"Windows Server 2012"},{"version_value":"Windows Server 2012 (Server Core installation)"},{"version_value":"Windows Server 2012 R2"},{"version_value":"Windows Server 2012 R2 (Server Core installation)"}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803  (Server Core Installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016  (Server Core installation)","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016","version":{"version_data":[{"version_value":""}]}}]},"vendor_name":"Microsoft"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Remote Code Execution"}]}]},"references":{"reference_data":[{"name":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646","refsource":"MISC","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646"},{"name":"http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html","refsource":"MISC","url":"http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T06:11:05.635Z"}},{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0646","tags":["government-resource"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2020-0646","role":"CISA Coordinator","options":[{"Exploitation":"active"},{"Automatable":"yes"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-02-07T15:18:23.162213Z"}}},{"other":{"type":"kev","content":{"dateAdded":"2021-11-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0646"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-91","lang":"en","type":"CWE","description":"CWE-91 XML Injection (aka Blind XPath Injection)"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-21T23:35:53.664Z"},"timeline":[{"time":"2021-11-03T00:00:00.000Z","lang":"en","value":"CVE-2020-0646 added to CISA KEV"}]}]}}}