What is CVE-2022-3431?

CVE-2022-3431 is a medium-severity vulnerability in Lenovo Bios, classified under Incorrect Default Permissions. CVSS score: 6.7/10. Published 2023-10-09.

How severe is CVE-2022-3431?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2022-3431 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Lenovo Bios

CVE-2022-3431

A potential vulnerability in a driver used during manufacturing process on some consumer Lenovo Notebook devices that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying…

EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

References

psirt@lenovo.com (Vendor Advisory)

Frequently asked questions

What is CVE-2022-3431?: CVE-2022-3431 is a medium-severity vulnerability in Lenovo Bios, classified under Incorrect Default Permissions. CVSS score: 6.7/10. Published 2023-10-09.
How severe is CVE-2022-3431?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2022-3431 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.