CVE-2020-3535: high-severity vulnerability in Cisco Webex Teams
Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.6%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Cisco · Cisco Webex TeamsRelated CVEs — Cisco Webex Teams
In the same product, most dangerous first.
CVE-2019-1636HIGHCisco Webex Teams URI Handler Insecure Library Loading VulnerabilityEPSS 46.9%CVE-2019-1939HIGHCisco Webex Teams Logging Feature Command Execution VulnerabilityEPSS 4.3%CVE-2020-3131MEDIUMCisco Webex Teams Adaptive Cards Denial of Service VulnerabilityEPSS 2.2%CVE-2019-1689HIGHCisco Webex Teams for iOS Arbitrary File Upload VulnerabilityEPSS 1.6%CVE-2021-1242MEDIUMCisco Webex Teams Shared File Manipulation VulnerabilityEPSS 1.4%CVE-2018-0436—Cisco Webex Teams Information Disclosure and Modification VulnerabilityEPSS 1.3%