SB2020082002 - Arbitrary file overwrite in Cisco Webex Meetings Desktop App for Windows
Published: August 20, 2020
Security Bulletin ID
SB2020082002
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-3440)
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 update from vendor's website.