CVE-2020-3131 is a denial-of-service vulnerability affecting the Cisco Webex Teams client for Windows, specifically versions released after 3.0.13131. An authenticated, remote attacker with a developer account can exploit insufficient input validation in adaptive card processing. This allows them to send malicious content that causes the targeted user's client to crash continuously. The vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity and requiring low privileges, resulting in high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.0.13131CPE matchmatch criteria | cpe:2.3:a:cisco:webex_teams:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.