Vulnerability · Published Sep 9, 2025 · Assigned by AMI

CVE-2025-33045Legacy Serial Redirection SMRAM Vulnerabilities

High 8.2

In plain English

A high-severity information exposure 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 3.1)8.2High
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

APTIOV contains vulnerabilities in the BIOS where a privileged user may cause “Write-what-where Condition” and “Exposure of Sensitive Information to an Unauthorized Actor” through local access. The successful exploitation of these vulnerabilities can lead to information disclosure, arbitrary data writing, and impact Confidentiality, Integrity, and Availability.

Affected products (as reported)

VendorProductVersions
AMI AptioV AptioV_5.0 – before AptioV_5.040

Weakness: CWE-123, CWE-200 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References