CVE-2021-3599: lenovo ideapad_s940-14iwl_firmware Improper Input Validation
CVSS: 7.2v2.0HighModified
Published 12-11-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3599 is a high (CVSS 7.2) Improper Input Validation vulnerability in lenovo ideapad_s940-14iwl_firmware. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.2% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v2.0 (NVD)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
- 12-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A potential vulnerability in the SMI callback function used to access flash device in some ThinkPad models may allow an attacker with local access and elevated privileges to execute arbitrary code.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 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
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 19-09-2026
19-09-202619-10-2026
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
Lenovo134 products
- ideapad_s940-14iwl_firmware≤ 12.0.81.1753
- ideapad_yoga_s940-14iwl_firmware≤ 12.0.81.1753
- thinkpad_10_firmware< 2021-10-25
- thinkpad_11e_3rd_gen_firmware< 2021-10-31
- thinkpad_11e_4th_gen_firmware< 2021-10-31
1 vendor · 134 products