CVE-2021-1240: Cisco Proximity Desktop for Windows DLL Hijacking Vulnerability
First published: Wed Jan 13 2021(Updated: )
A vulnerability in the loading process of specific DLLs in Cisco Proximity Desktop for Windows could allow an authenticated, local attacker to load a malicious library. To exploit this vulnerability, the attacker must have valid credentials on the Windows system. This vulnerability is due to incorrect handling of directory paths at run time. An attacker could exploit this vulnerability by placing a malicious DLL file in a specific location on the targeted system. This file will execute when the vulnerable application launches. A successful exploit could allow the attacker to execute arbitrary code on the targeted system with the privileges of another user’s account.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Proximity | <3.1.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-1240?
CVE-2021-1240 is rated as a high-severity vulnerability.
How do I fix CVE-2021-1240?
To mitigate CVE-2021-1240, update Cisco Proximity to version 3.1.0 or later.
Who is affected by CVE-2021-1240?
CVE-2021-1240 affects users of Cisco Proximity Desktop for Windows versions prior to 3.1.0.
What types of attacks can exploit CVE-2021-1240?
CVE-2021-1240 can be exploited by an authenticated local attacker who can load a malicious library.
Is authentication required to exploit CVE-2021-1240?
Yes, exploiting CVE-2021-1240 requires valid credentials on the Windows system.
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