AUGUST 4, 2026
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Case File

CVE-2021-3971

MEDIUM · CVSS 6.7 EPSS 1.29%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-04-22 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-3971
Severity
MEDIUM
CVSS
6.7
EPSS
1.29%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)