CVE-2020-3535 is a vulnerability in Cisco Webex Teams
Published on October 8, 2020
Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability
A vulnerability in the loading mechanism of specific DLLs in the Cisco Webex Teams client for Windows could allow an authenticated, local attacker to load a malicious library. To exploit this vulnerability, the attacker needs valid credentials on the Windows system. The 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.
Vulnerability Analysis
CVE-2020-3535 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a DLL preloading Vulnerability?
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.
CVE-2020-3535 has been classified to as a DLL preloading vulnerability or weakness.
Products Associated with CVE-2020-3535
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Affected Versions
Cisco Webex Teams Version n/a is affected by CVE-2020-3535Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.