SB2020012418 - Denial of service in Cisco Webex Teams client for Windows
Published: January 24, 2020
Security Bulletin ID
SB2020012418
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2020-3131)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists in the Cisco Webex Teams client for Windows due to insufficient input validation when processing received adaptive cards. A remote authenticated attacker can send an adaptive card with malicious content and cause the targeted user's client to crash continuously.
Remediation
Install update from vendor's website.