{"id":"CVE-2021-26382","aliases":["EUVD-2021-13188","GHSA-w6fw-9866-83f5"],"status":"published","title":"An attacker with root account privileges can load any legitimately signed firmware image into the...","description":"An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00188,"percentile":0.0852,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-07-14T19:28:30Z","modified":"2026-06-17T03:43:17Z","products":[{"vendor":"amd","product":"athlon™ 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series"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26382"},{"url":"https://github.com/advisories/GHSA-w6fw-9866-83f5"}],"sources":{"cve":[{"id":"CVE-2021-26382","description":"An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.","status":"published","published":"2022-07-14T19:28:30.676Z","modified":"2024-09-16T22:29:40.793Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-13188","description":"An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.","status":"published","published":"2022-07-14T19:28:30Z","modified":"2024-09-16T22:29:40Z","updated_at":"2026-11-03T00:55:02.946444Z"}],"ghsa":[{"id":"GHSA-w6fw-9866-83f5","title":"An attacker with root account privileges can load any legitimately signed firmware image into the...","description":"An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.","status":"published","published":"2022-07-15T00:00:16Z","modified":"2023-01-27T05:06:06Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:42:50.418716Z"}],"nvd":[{"id":"CVE-2021-26382","description":"An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.","status":"published","published":"2022-07-14T20:15:08.097Z","modified":"2026-06-17T03:43:17.36Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}