{"id":"CVE-2024-54084","aliases":["EUVD-2024-54251","GHSA-4prc-vpwg-w736"],"status":"published","title":"SMM Arbitrary Write via TOCTOU Vulnerability","description":"APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead 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":"2026-11-09","score":0.00116,"percentile":0.01639,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2025-03-11T14:01:24Z","modified":"2026-06-17T08:09:44Z","products":[{"vendor":"ami","product":"aptio_v"},{"vendor":"ami","product":"aptiov"}],"references":[{"url":"https://go.ami.com/hubfs/Security%20Advisories/2025/AMI-SA-2025003.pdf","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-54084"},{"url":"https://github.com/advisories/GHSA-4prc-vpwg-w736"}],"sources":{"cve":[{"id":"CVE-2024-54084","title":"SMM Arbitrary Write via TOCTOU Vulnerability","description":"APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.","status":"published","published":"2025-03-11T14:01:24.03Z","modified":"2025-03-11T14:45:58.764Z","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-367"],"updated_at":"2026-11-02T14:33:59.177173Z"}],"euvd":[{"id":"EUVD-2024-54251","description":"APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.","status":"published","published":"2025-03-11T14:01:24Z","modified":"2025-03-11T14:45:58Z","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":"2026-11-02T20:53:07.779422Z"}],"ghsa":[{"id":"GHSA-4prc-vpwg-w736","title":"APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use ...","description":"APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.","status":"published","published":"2025-03-11T15:30:59Z","modified":"2025-03-11T15:30:59Z","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-367"],"updated_at":"2026-11-02T15:00:12.792548Z"}],"nvd":[{"id":"CVE-2024-54084","description":"APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means. Successful exploitation of this vulnerability may lead to arbitrary code execution.","status":"published","published":"2025-03-11T14:15:22.73Z","modified":"2026-06-17T08:09:44.56Z","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"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:10:45.422466Z"}]}}