7.8

CVE-2022-3431: lenovo bios Incorrect Default Permissions

CVSS: 7.8v3.1HighModified
Published 09-10-2023Last modified 19-09-2024
Open JSON

Vulnerability summary

CVE-2022-3431 is a high (CVSS 7.8) Incorrect Default Permissions vulnerability in lenovo bios. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-10-2023
    PublishedVulnerability first disclosed.
  2. 19-09-2024
    Last modifiedVulnerability information updated.

Description

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 an NVRAM variable.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Lenovo26 products

1 vendor · 26 products

References

1 links