Vulnerability · Published Jul 30, 2025 · Assigned by Insyde

CVE-2025-4424SetupAutomationSmm : Arbitrary calls to SmmSetVariable with unsanitised arguments in SMI handler

Medium 6.0

In plain English

A medium-severity improper input validation in InsydeH2O from Insyde Software. 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 7% of all known vulnerabilities).

Severity (CVSS 3.1)6.0Medium
Exploit odds (30 days)0.2%top 93.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The vulnerability was identified in the code developed specifically for Lenovo. Please visit "Lenovo Product Security Advisories and Announcements" webpage for more information about the vulnerability.  https://support.lenovo.com/us/en/product_security/home

Affected products (as reported)

VendorProductVersions
Insyde Software InsydeH2O Feature developed for Lenovo – before L05.05.40.011803.172079

Weakness: CWE-20 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

References