{"id":"CVE-2021-26420","state":"PUBLISHED","title":"Microsoft SharePoint Server Remote Code Execution Vulnerability","description":"Microsoft SharePoint Server Remote Code Execution Vulnerability","publishedAt":"2021-06-08T22:46:12.000Z","updatedAt":"2024-08-03T20:26:25.515Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C","source":"microsoft"},"assigner":"microsoft","products":["Microsoft Microsoft SharePoint Enterprise Server 2016","Microsoft Microsoft SharePoint Server 2019","Microsoft Microsoft SharePoint Foundation 2013 Service Pack 1"],"affected":[{"vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.5173.1000","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server 2019","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.10375.20000","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft SharePoint Foundation 2013 Service Pack 1","versions":[{"version":"15.0.0","status":"affected","lessThan":"15.0.5353.1000","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*"],"platforms":["x64-based Systems"]}],"references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420","https://www.zerodayinitiative.com/advisories/ZDI-21-755/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:13.210Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/26xxx/CVE-2021-26420.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-26420","state":"PUBLISHED","datePublished":"2021-06-08T22:46:12.000Z","dateUpdated":"2024-08-03T20:26:25.515Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2021-01-29T00:00:00.000Z"},"containers":{"cna":{"title":"Microsoft SharePoint Server Remote Code Execution Vulnerability","descriptions":[{"lang":"en-US","value":"Microsoft SharePoint Server Remote Code Execution Vulnerability"}],"affected":[{"vendor":"Microsoft","product":"Microsoft SharePoint Enterprise Server 2016","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.5173.1000","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft SharePoint Server 2019","versions":[{"version":"16.0.0","status":"affected","lessThan":"16.0.10375.20000","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"]},{"vendor":"Microsoft","product":"Microsoft SharePoint Foundation 2013 Service Pack 1","versions":[{"version":"15.0.0","status":"affected","lessThan":"15.0.5353.1000","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*"],"platforms":["x64-based Systems"]}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420","tags":["x_refsource_MISC"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-755/","tags":["x_refsource_MISC"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C"}}],"problemTypes":[{"descriptions":[{"description":"Remote Code Execution","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2024-05-29T14:55:23.503Z"},"datePublic":"2021-06-08T07:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-755/","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T20:26:25.515Z"}}]}}}