Vulnerability · Published Feb 11, 2025 · Assigned by AMI

CVE-2024-33659BiosGuard Buffer Overflow and TOCTOU Vulnerability

Medium 5.7

In plain English

A medium-severity improper input validation in AptioV from AMI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 4.0)5.7Medium
Exploit odds (30 days)0.2%top 94.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

AMI APTIOV contains a vulnerability in BIOS where an attacker may cause an Improper Input Validation by a local attacker. Successful exploitation of these vulnerabilities may lead to overwriting arbitrary memory and execute arbitrary code at SMM level, also impacting Confidentiality, Integrity, and Availability.

Affected products (as reported)

VendorProductVersions
AMI AptioV BKS_5.0 – through BKS_5.38

Weakness: CWE-20 · Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L

References