{"id":"CVE-2023-20576","aliases":[],"url":"https://o3.security/vulnerability/CVE-2023-20576","summary":"Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.","details":"Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.","published":"2026-09-02T20:17:32.950","modified":"2026-09-03T16:37:52.170","cvss":{"score":7.7,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-03T16:37:52.170"}}