CVE-2024-42446 — Time-of-check Time-of-use (TOCTOU) Race Condition in Aptiov

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition3 documents3 sources
Severity
7.0HIGHNVD
CNA7.5
EPSS
0.0%
top 86.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
AMI Aptio VAMI Aptiov
Timeline
PublishedMay 13

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.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages2 packages

▶NVDami/aptio_v5.0 — 5.039
▶CVEListV5ami/aptiovBKS_5.0 — BKS_5.39

🔴Vulnerability Details

2
CVEList
TOCTOU in SmmWhea↗2025-05-13
▶
GHSA
GHSA-pgm8-5pfj-3v9h: APTIOV contains a vulnerability in BIOS where an attacker may cause a Time-of-check Time-of-use (TOCTOU) Race Condition by local means↗2025-05-13
▶
CVE-2024-42446 — AMI Aptiov vulnerability | cvebase