CVE-2022-3431

Description

A potential vulnerability in a driver used during manufacturing process on some consumer Lenovo Notebook devices that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.

Remediation

Solution:

  • Update system firmware to the version (or newer) indicated for your model in the product Impact section of LEN-94952

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory lenovo.com
Affected: Lenovo BIOS
Published at:
Updated at:

References

Link Tags
https://support.lenovo.com/us/en/product_security/LEN-94952 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-3431?
CVE-2022-3431 has been scored as a medium severity vulnerability.
How to fix CVE-2022-3431?
To fix CVE-2022-3431: Update system firmware to the version (or newer) indicated for your model in the product Impact section of LEN-94952
Is CVE-2022-3431 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-3431 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-3431?
CVE-2022-3431 affects Lenovo BIOS.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.