{"id":"CVE-2024-21947","aliases":["EUVD-2024-19553","GHSA-4jcj-3w4f-wvcm"],"status":"published","title":"Improper input validation in the system management mode (SMM) could allow a privileged attacker...","description":"Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00136,"percentile":0.03104,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1220","CWE-20"],"published":"2025-09-06T17:10:47Z","modified":"2026-06-17T07:10:26Z","products":[{"vendor":"amd","product":"amd athlon™ 3000 series desktop processors with radeon™ graphics"},{"vendor":"amd","product":"amd athlon™ 3000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 3000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 3000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 4000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 4000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 5000 series desktop processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 6000 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 7020 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7030 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7035 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7040 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7045 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 8000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ embedded 5000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded r1000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded r2000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v1000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v2000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v3000 series processors"},{"vendor":"amd","product":"amd ryzen™ threadripper™ 3000 processors"},{"vendor":"amd","product":"amd ryzen™ threadripper™ pro 3000 wx-series processors"},{"vendor":"amd","product":"amd ryzen™ threadripper™ pro 5000 wx-series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21947"},{"url":"https://github.com/advisories/GHSA-4jcj-3w4f-wvcm"}],"sources":{"cve":[{"id":"CVE-2024-21947","description":"Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.","status":"published","published":"2025-09-06T17:10:47.951Z","modified":"2026-02-26T17:49:10.599Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T14:34:04.681315Z"}],"euvd":[{"id":"EUVD-2024-19553","description":"Improper input validation in the system management mode (SMM) could allow a privileged 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level.","status":"published","published":"2025-09-06T18:30:33Z","modified":"2025-09-24T00:31:48Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20","CWE-1220"],"updated_at":"2026-11-02T15:03:44.74353Z"}],"nvd":[{"id":"CVE-2024-21947","description":"Improper input validation in the system management mode (SMM) could allow a privileged attacker to overwrite arbitrary memory potentially resulting in arbitrary code execution at the SMM level.","status":"published","published":"2025-09-06T18:15:39.063Z","modified":"2026-06-17T07:10:26.607Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T14:10:47.444899Z"}]}}