PT-2021-5605 · Lenovo · Lenovo System Interface Foundation

Published 2021-10-29 · Updated 2022-05-26 · CVE-2021-3922

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Lenovo System Interface Foundation versions prior to 1.1.20.3

Description A race condition issue in the IMController component of Lenovo System Interface Foundation allows a local attacker to potentially elevate their privileges by connecting and interacting with the IMController child process' named pipe.

Recommendations For versions prior to 1.1.20.3, update to version 1.1.20.3 or later to resolve the issue.

Fix

Time Of Check To Time Of Use

Race Condition

Weakness Enumeration

CWE-367

CWE-362

Related Identifiers

BDU:2022-00027

BDU:2022-00039

CVE-2021-3922

Affected Products

Lenovo System Interface Foundation

References · 10

• https://bdu.fstec.ru/vul/2022-00027 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3922 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3922 · Security Note
• https://support.lenovo.com/us/en/product_security/LEN-75210 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00039 · Security Note
• https://t.me/true_secator/2456 · Telegram Post
• https://t.me/pentestingnews/15945 · Telegram Post
• https://t.me/cybersecuritytechnologies/5000 · Telegram Post
• https://research.nccgroup.com/2021/12/15/technical-advisory-lenovo-imcontroller-local-privilege-escalation-cve-2021-3922-cve-2021-3969 · Note
• https://support.lenovo.com/cy/en/product_security/len-75210 · Note