CVE-2021-3718: lenovo thinkpad_11e_3rd_gen_firmware Improper Handling of Undefined Values
CVSS: 4.7v2.0MediumModified
Published 12-11-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3718 is a medium (CVSS 4.7) Improper Handling of Undefined Values vulnerability in lenovo thinkpad_11e_3rd_gen_firmware. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.
CVSS score
4.7/10
010
Medium · v2.0 (NVD)EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A denial of service vulnerability was reported in some ThinkPad models that could cause a system to crash when the Enhanced Biometrics setting is enabled in BIOS.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSources2 sources · 4.3–4.6
- NVDNIST4.6MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
Medium 4.7Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 19-09-2026
19-09-202619-10-2026
EPSS score0.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Lenovo40 products
- thinkpad_11e_3rd_gen_firmware≤ 1.22 | ≤ 1.29
- thinkpad_11e_4th_gen_celeron_firmware≤ 1.27
- thinkpad_11e_4th_gen_i3_firmware≤ 1.22
- thinkpad_11e_4th_gen_i5_firmware≤ 1.22
- thinkpad_11e_4th_gen_i7_firmware≤ 1.22
1 vendor · 40 products