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High severity7.8NVD Advisory· Published May 18, 2022· Updated Jun 17, 2026

CVE-2021-3969

CVE-2021-3969

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.

Affected products

4
  • Lenovo/System Interface Foundation2 versions
    cpe:2.3:a:lenovo:system_interface_foundation:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:lenovo:system_interface_foundation:*:*:*:*:*:*:*:*range: <1.1.20.3
    • (no CPE)range: <1.1.20.3
  • Lenovo/IMControllerllm-fuzzy2 versions
    <1.1.20.3+ 1 more
    • (no CPE)range: <1.1.20.3
    • (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

0

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