CVE-2021-3969: lenovo imcontroller
CVSS: 7.8v3.1HighModified
Published 18-05-2022Last modified 03-08-2024
Vulnerability summary
CVE-2021-3969 is a high (CVSS 7.8) vulnerability in lenovo imcontroller. EPSS estimates a 1.93% chance of exploitation in the next 30 days, higher than 79.7% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
1.93%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-05-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A Time of Check Time of Use (TOCTOU) vulnerability was reported in IMController, a software component of Lenovo System Interface Foundation, prior to version 1.1.20.3that could allow a local attacker to elevate privileges.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.0–7.8
- NVDNIST7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
Medium 4.4Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.93%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.93% on 21-09-2026
21-09-202621-10-2026
EPSS score1.93%
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
- imcontroller≥ unspecified, < 1.1.20.3
- system_interface_foundation< 1.1.20.3
1 vendor · 2 products