{"id":"CVE-2021-46772","state":"PUBLISHED","title":"Insufficient input validation in the ABL may allow a privileged","description":"Insufficient input validation in the ABL may allow a privileged\nattacker with access to the BIOS menu or UEFI shell to tamper with the\nstructure headers in SPI ROM causing an out of bounds memory read and write,\npotentially resulting in memory corruption or denial of service.","publishedAt":"2024-08-13T16:50:54.016Z","updatedAt":"2024-11-05T21:18:50.631Z","severity":{"score":3.9,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L","source":"AMD"},"assigner":"AMD","products":["AMD AMD EPYC™ 7002 Series Processors","AMD AMD EPYC™ 7003 Series Processors","AMD AMD Ryzen™ 3000 Series Desktop Processors","AMD AMD Ryzen™ 5000 Series Desktop Processors","AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics","AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics","AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics","AMD AMD Ryzen™ Threadripper™ 3000 Series Processors","AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors","AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors","AMD AMD Athlon™ 3000 Series Mobile  Processors with Radeon™ Graphics","AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics","AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics","AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics","AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics","AMD AMD EPYC™ Embedded 7002 Series Processors","AMD AMD EPYC™ Embedded 7003 Series Processors","AMD AMD Ryzen™ Embedded R1000 Series Processors","AMD AMD Ryzen™ Embedded R2000 Series Processors","AMD AMD Ryzen™ Embedded 5000 Series Processors","AMD AMD Ryzen™ Embedded V1000 Series Processors","AMD AMD Ryzen™ Embedded V2000 Series Processors","AMD AMD Ryzen™ Embedded V3000 Series Processors"],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 7002 Series Processors","defaultStatus":"affected","versions":[{"version":"RomePI 1.0.0.E","status":"unaffected","versionType":"PI"}]},{"vendor":"AMD","product":"AMD EPYC™ 7003 Series Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.9","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM4V2 1.2.0.A","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4V2 1.2.0.A","status":"affected"}]},{"vendor":"AMD","product":"AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Threadripper™ 3000 Series Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors","defaultStatus":"affected","versions":[{"version":"ChagallWSPI-sWRX8 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Threadripper™ PRO 5000WX Processors","defaultStatus":"affected","versions":[{"version":"ChagallWSPI-sWRX8 1.0.0.6","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Athlon™ 3000 Series Mobile  Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Athlon™ 3000 Series Mobile  Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"CezannePI-FP6  1.0.0.E","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"MendocinoPI-FT6 1.0.0.3","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"RembrandtPI-FP7 1.0.0.7","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"RembrandtPI-FP7 1.0.0.7","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"CezannePI-FP6 1.0.0.E","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"CezannePI-FP6 1.0.0.E","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 7002 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbRomePI-SP3  1.0.0.8","status":"unaffected"}]},{"vendor":"AMD","product":"AMD EPYC™ Embedded 7003 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbMilanPI-SP3  1.0.0.5","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded R1000 Series Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded R2000 Series Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded 5000 Series Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded V1000 Series Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded V2000 Series Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ Embedded V3000 Series Processors","defaultStatus":"affected","versions":[{"version":"EmbeddedPI-FP7r2 1.0.0.4","status":"unaffected"}]}],"references":["https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html"],"weaknesses":["CWE-125","CWE-787"],"ingestedAt":"2026-10-29T19:49:16.371Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/46xxx/CVE-2021-46772.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-46772","state":"PUBLISHED","datePublished":"2024-08-13T16:50:54.016Z","dateUpdated":"2024-11-05T21:18:50.631Z","assignerShortName":"AMD","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","dateReserved":"2022-03-31T16:50:27.872Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Insufficient input validation in the ABL may allow a privileged\nattacker with access to the BIOS menu or UEFI shell to tamper with the\nstructure headers in SPI ROM causing an out of bounds memory read and write,\npotentially resulting in memory corruption or denial of service."}],"affected":[{"vendor":"AMD","product":"AMD EPYC™ 7002 Series Processors","defaultStatus":"affected","versions":[{"version":"RomePI 1.0.0.E","status":"unaffected","versionType":"PI"}]},{"vendor":"AMD","product":"AMD EPYC™ 7003 Series Processors","defaultStatus":"affected","versions":[{"version":"MilanPI 1.0.0.9","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 3000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"various","status":"affected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processors","defaultStatus":"affected","versions":[{"version":"ComboAM4V2 1.2.0.A","status":"unaffected"}]},{"vendor":"AMD","product":"AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics","defaultStatus":"affected","versions":[{"version":"ComboAM4V2 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AMD-SB-5001","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-15T14:19:27.997821Z","id":"CVE-2021-46772","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"CWE-125 Out-of-bounds Read"}]},{"descriptions":[{"cweId":"CWE-787","type":"CWE","lang":"en","description":"CWE-787 Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-05T21:18:50.631Z"}}]}}}