Vulnerability CVE-2021-3971


Published: 2022-04-22

Description:
A potential vulnerability by a driver used during older manufacturing processes on some consumer Lenovo Notebook devices that was mistakenly included in the BIOS image could allow an attacker with elevated privileges to modify firmware protection region by modifying an NVRAM variable.

 References:
https://support.lenovo.com/us/en/product_security/LEN-73440

Copyright 2026, cxsecurity.com

 

Back to Top