Insecure DLL loading in Cisco Webex Teams - CVE-2020-3535
Published: October 8, 2020
Vulnerability identifier: #VU47434
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3535
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to incorrect handling of directory paths at run time in the loading mechanism of specific DLLs. A local user can place a specially crafted .dll file and execute arbitrary code with the privileges of another user’s account.
Affected software
Cisco Webex Teams
How to mitigate CVE-2020-3535
Install updates from vendor's website.
Cisco Webex Teams - update to 3.0.16269.0