CVE-2022-4574: lenovo thinkpad bios Improper Input Validation
CVSS: 6.7v3.1MediumModified
Published 30-10-2023Last modified 09-09-2024
Vulnerability summary
CVE-2022-4574 is a medium (CVSS 6.7) Improper Input Validation vulnerability in lenovo thinkpad bios. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 8.2% of scored vulnerabilities.
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-10-2023PublishedVulnerability first disclosed.
- 09-09-2024Last modifiedVulnerability information updated.
Description
An SMI handler input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.
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
0.19%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
0.00 pp
From 0.19% on 20-09-2026
20-09-202620-10-2026
EPSS score0.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Lenovo55 products
- thinkpad biosvarious
- thinkpad_l14_firmware< 1.20
- thinkpad_l14_gen_2_firmwarena
- thinkpad_l15_firmware< 1.20
- thinkpad_l15_gen_2_firmwarena
1 vendor · 55 products
References
1 links- support.lenovo.com/us/en/product_security/LEN-106014Vendor Advisory