CVE-2020-3535 HIGH

CVE-2020-3535: Cisco Webex Teams Client for Windows DLL Hijacking Vulnerability

Vendor Cisco
Product Cisco Webex Teams
Weakness CWE-427
Published October 8, 2020
Last update November 13, 2024

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 8, 2020 CVE published
November 13, 2024 Record updated