Privilege Escalation Vulnerability in Lenovo System Interface Foundation
CVE-2021-3969

7.8HIGH

Key Information:

Vendor
Lenovo
Status
Imcontroller
Vendor
CVE Published:
18 May 2022

Summary

A Time of Check Time of Use (TOCTOU) vulnerability in Lenovo's System Interface Foundation allows a local attacker to potentially elevate their privileges. This could lead to unauthorized access and manipulation of sensitive information or system functions, affecting the overall security posture of the device.

Affected Version(s)

IMController < 1.1.20.3

References

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

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lenovo thanks Rick Veldhoven from Fox-IT, part of NCC Group for reporting this issue.
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