Resource exhaustion in Cisco Webex Teams - CVE-2020-3131
Published: January 24, 2020
Vulnerability identifier: #VU24528
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3131
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cisco Webex Teams
How to mitigate CVE-2020-3131
Install updates from vendor's website.
Cisco Webex Teams - update to 3.0.14234