cve.bz

CVE-2021-3971

6.7 mediumEPSS 1.2%

Medium (6.7) in lenovo. EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.7 medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)
CWE
CWE-489
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON