CVE-2021-1240 : What You Need to Know
Learn about CVE-2021-1240, a DLL hijacking vulnerability in Cisco Proximity Desktop for Windows. Discover impact, affected systems, and mitigation steps.
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.
Understanding CVE-2021-1240
This CVE pertains to a DLL hijacking vulnerability in Cisco Proximity Desktop for Windows.
What is CVE-2021-1240?
The vulnerability allows an authenticated, local attacker to place a malicious DLL file on the system, leading to arbitrary code execution.
The Impact of CVE-2021-1240
If exploited successfully, an attacker could execute arbitrary code on the targeted system with the privileges of another user.
Technical Details of CVE-2021-1240
The vulnerability is due to incorrect handling of directory paths at run time.
Vulnerability Description
An attacker with valid credentials can place a malicious DLL file in a specific location for execution upon application launch.
Affected Systems and Versions
The Cisco Proximity Desktop for Windows is affected by this vulnerability.
Exploitation Mechanism
The attacker must have valid credentials on the Windows system to exploit this vulnerability.
Mitigation and Prevention
It is crucial to take immediate steps and practice long-term security measures.
Immediate Steps to Take
Ensure system credentials are secure and monitor for any unauthorized DLLs or files.
Long-Term Security Practices
Regularly update and patch systems to prevent vulnerabilities and follow best security practices.
Patching and Updates
Cisco may release patches to address the vulnerability. Stay informed with security advisories from Cisco.