CVE-2021-3969

HIGH

Lenovo System Interface Foundation < 1.1.20.3 - Privilege Escalation via TOCTOU Race Condition in IMController

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://support.lenovo.com/us/en/product_security/LEN-75210

Scores

CVSS v3 7.8
EPSS 0.0042
EPSS Percentile 62.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-367
Status published
Products (1)
lenovo/system_interface_foundation < 1.1.20.3
Published May 18, 2022
Tracked Since Feb 18, 2026