CVE-2022-3432: lenovo bios Incorrect Default Permissions
CVSS: 6.7v3.1MediumModified
Published 23-01-2023Last modified 01-04-2025
Vulnerability summary
CVE-2022-3432 is a medium (CVSS 6.7) Incorrect Default Permissions vulnerability in lenovo bios. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.8% of scored vulnerabilities.
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-01-2023PublishedVulnerability first disclosed.
- 01-04-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 21-09-2026
21-09-202621-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Lenovo2 products
- biosvarious
- ideapad_y700-14isk_firmwarena
1 vendor · 2 products
References
1 links- support.lenovo.com/us/en/product_security/LEN-94952Vendor Advisory