#VU45795 Input validation error in Cisco Webex Meetings Desktop App - CVE-2020-3440

 

#VU45795 Input validation error in Cisco Webex Meetings Desktop App - CVE-2020-3440

Published: August 20, 2020


Vulnerability identifier: #VU45795
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-3440
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Webex Meetings Desktop App
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to overwrite critical files on the system.

The vulnerability exists due to insufficient validation of URL parameters when handling external links within the application. A remote attacker can trick the victim to follow a specially crafted link that ones opened with Cisco Webex Meetings Desktop App for Windows may allows an attacker to overwrite arbitrary files on the system.


Remediation

Install updates from vendor's website.

External links