{"id":"CVE-2023-31342","aliases":["EUVD-2023-35653","GHSA-4mr4-7v9j-jvf7"],"status":"published","title":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM,...","description":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.","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":0.0018,"percentile":0.07678,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1220","CWE-20"],"published":"2025-02-11T22:24:02Z","modified":"2026-06-17T05:56:48Z","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 epyc™ 7003 processors"},{"vendor":"amd","product":"amd epyc™ 9004 processors"},{"vendor":"amd","product":"amd epyc™ embedded 7003"},{"vendor":"amd","product":"amd epyc™ embedded 9004"},{"vendor":"amd","product":"amd instinct™ mi300a"},{"vendor":"amd","product":"amd ryzen™ 3000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 3000 series mobile processor with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 4000 series desktop processor with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 4000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series desktop processor with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 5000 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 6000 series processor with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 7000 series mobile processors"},{"vendor":"amd","product":"amd ryzen™ 7020 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7035 series processor with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7040 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 8000 series processor with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ embedded 5000"},{"vendor":"amd","product":"amd ryzen™ embedded 7000"},{"vendor":"amd","product":"amd ryzen™ embedded r1000"},{"vendor":"amd","product":"amd ryzen™ embedded r2000"},{"vendor":"amd","product":"amd ryzen™ embedded v2000"},{"vendor":"amd","product":"amd ryzen™ embedded v3000"},{"vendor":"amd","product":"amd ryzen™ threadripper™ pro 5000wx- series desktop processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4008.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31342"},{"url":"https://github.com/advisories/GHSA-4mr4-7v9j-jvf7"}],"sources":{"cve":[{"id":"CVE-2023-31342","description":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.","status":"published","published":"2025-02-11T22:24:02.153Z","modified":"2026-02-26T19:08:51.034Z","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":"2026-11-02T14:35:27.810438Z"}],"euvd":[{"id":"EUVD-2023-35653","description":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.","status":"published","published":"2025-02-11T22:24:02Z","modified":"2026-02-26T19:08:51Z","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"}],"updated_at":"2026-11-02T19:48:15.753271Z"}],"ghsa":[{"id":"GHSA-4mr4-7v9j-jvf7","title":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM,...","description":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.","status":"published","published":"2025-02-12T00:32:16Z","modified":"2025-09-24T00:31:47Z","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-2023-31342","description":"Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.","status":"published","published":"2025-02-11T23:15:08.277Z","modified":"2026-06-17T05:56:48.987Z","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":"2026-11-02T14:09:20.080574Z"}]}}