CVE-2021-3969

7.0 highEPSS 1.9%

High (7.0) in lenovo system interface foundation. EPSS 1.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.0 high

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-367
Published: 2022-05-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

lenovo:system_interface_foundation

References

https://support.lenovo.com/us/en/product_security/LEN-75210
https://support.lenovo.com/us/en/product_security/LEN-75210

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