CVE-2021-3969
First published: Wed May 18 2022(Updated: )
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.
Credit: psirt@lenovo.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Lenovo System Interface Foundation | <1.1.20.3 |
Remedy
Update the IMController component of Lenovo System Interface Foundation to version 1.1.20.3. Full mitigation guidance can be found in LEN-75210.
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this TOCTOU vulnerability?
The vulnerability ID for this TOCTOU vulnerability is CVE-2021-3969.
What is the severity of CVE-2021-3969?
CVE-2021-3969 has a severity value of 7, which is classified as high.
What is the affected software for CVE-2021-3969?
The affected software for CVE-2021-3969 is Lenovo System Interface Foundation prior to version 1.1.20.3.
How can a local attacker exploit CVE-2021-3969?
A local attacker can exploit CVE-2021-3969 to elevate privileges.
Is there a fix available for CVE-2021-3969?
Yes, a fix is available for CVE-2021-3969. It is recommended to update Lenovo System Interface Foundation to version 1.1.20.3 or later.
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