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CVE-2021-3971
MEDIUM
CVSS: 6.7
Published: 2022-04-22
Modified: 2026-06-17
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.
Affected Platforms
Lenovo Legion 5-17Ach6HLenovo Legion Y540-15Irh FirmwareLenovo L340-17IwlLenovo Yoga Slim 7 Pro-14Ach5 DLenovo V14-IglLenovo Legion 5-17Ach6 FirmwareLenovo V15-IilLenovo V15-Iil FirmwareLenovo L340-17IrhLenovo Legion 5 Pro-16Ach6H
Weakness Type
CWE-489, NVD-CWE-Other