What is CVE-2021-3922?

CVE-2021-3922 is a high-severity vulnerability in Lenovo Imcontroller, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2022-05-18.

How severe is CVE-2021-3922?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Lenovo Imcontroller

CVE-2021-3922

A race condition vulnerability was reported in IMController, a software component of Lenovo System Interface Foundation, prior to version 1.1.20.3 that could allow a local attacker to connect and interact with the IMController child process' named pipe.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.019 (77.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lenovo Imcontroller — versions unspecified
Lenovo System_interface_foundation

Weakness classification (CWE)

References

psirt@lenovo.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3922?: CVE-2021-3922 is a high-severity vulnerability in Lenovo Imcontroller, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2022-05-18.
How severe is CVE-2021-3922?: High severity. CVSS v3 base score is 7.8 out of 10.