{"id":"CVE-2021-46769","aliases":["EUVD-2021-33425","GHSA-mpjx-f8cq-rgh6"],"status":"published","title":"Insufficient syscall input validation in the ASP\nBootloader may allow a privileged attacker to...","description":"Insufficient syscall input validation in the ASP\nBootloader may allow a privileged attacker to execute arbitrary DMA copies,\nwhich can lead to code execution.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00784,"percentile":0.5636,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-05-09T18:36:25Z","modified":"2026-06-17T04:15:30Z","products":[{"vendor":"amd","product":"2nd gen amd epyc™"},{"vendor":"amd","product":"3rd gen amd 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Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46769"},{"url":"https://github.com/advisories/GHSA-mpjx-f8cq-rgh6"}],"sources":{"cve":[{"id":"CVE-2021-46769","description":"Insufficient syscall input validation in the ASP\nBootloader may allow a privileged attacker to execute arbitrary DMA copies,\nwhich can lead to code execution. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T18:36:25.695Z","modified":"2025-01-28T15:57:52.765Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-33425","description":"Insufficient syscall input validation in the ASP\nBootloader may allow a privileged attacker to execute arbitrary DMA copies,\nwhich can lead to code execution. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T18:36:25Z","modified":"2025-01-28T15:57:52Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:11.814906Z"}],"ghsa":[{"id":"GHSA-mpjx-f8cq-rgh6","title":"Insufficient syscall input validation in the ASP\nBootloader may allow a privileged attacker to...","description":"Insufficient syscall input validation in the ASP\nBootloader may allow a privileged attacker to execute arbitrary DMA copies,\nwhich can lead to code execution. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T21:30:23Z","modified":"2024-04-11T21:07:30Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:57:06.932158Z"}],"nvd":[{"id":"CVE-2021-46769","description":"Insufficient syscall input validation in the ASP\nBootloader may allow a privileged attacker to execute arbitrary DMA copies,\nwhich can lead to code execution. \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2023-05-09T19:15:11.2Z","modified":"2026-06-17T04:15:30.81Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}