What is CVE-2022-3432?

CVE-2022-3432 is a medium-severity vulnerability in Lenovo Bios, classified under Incorrect Default Permissions. CVSS score: 6.7/10. Published 2023-01-26.

How severe is CVE-2022-3432?

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

Is CVE-2022-3432 known to be exploited?

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

Vulnerability in Lenovo Bios

CVE-2022-3432

A potential vulnerability in a driver used during manufacturing process on the Ideapad Y700-14ISK that was mistakenly not deactivated may allow an attacker with elevated privileges to modify secure boot setting by modifying an NVRAM variable.

Published 2023-01-26 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.003 (22.4th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

References

support.lenovo.com/us/en/product_security/LEN-94952 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-3432?: CVE-2022-3432 is a medium-severity vulnerability in Lenovo Bios, classified under Incorrect Default Permissions. CVSS score: 6.7/10. Published 2023-01-26.
How severe is CVE-2022-3432?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2022-3432 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.