VYPR
Medium severity6.7NVD Advisory· Published Apr 22, 2022· Updated Jun 17, 2026

CVE-2021-3971

CVE-2021-3971

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 products

75

Patches

Vulnerability mechanics

References

1

News mentions

0

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