Vulnerability · Published Oct 8, 2020 · Assigned by cisco
CVE-2020-3535Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability
High 7.8
In plain English
A high-severity uncontrolled search path in Cisco Webex Teams from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Webex Teams | n/a |
Weakness: CWE-427 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- 20201007 Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability vendor-advisory, x_refsource_CISCO