Vulnerability · Published Jan 26, 2020 · Assigned by cisco

CVE-2020-3131Cisco Webex Teams Adaptive Cards Denial of Service Vulnerability

Medium 6.5

In plain English

A medium-severity uncontrolled resource consumption in Cisco Webex Teams from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 82% of all known vulnerabilities).

Severity (CVSS 3.0)6.5Medium
Exploit odds (30 days)2.2%top 17.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability in the Cisco Webex Teams client for Windows could allow an authenticated, remote attacker to cause the client to crash, resulting in a denial of service (DoS) condition. The attacker needs a valid developer account to exploit this vulnerability. The vulnerability is due to insufficient input validation when processing received adaptive cards. The attacker could exploit this vulnerability by sending an adaptive card with malicious content to an existing user of the Cisco Webex Teams client for Windows. A successful exploit could allow the attacker to cause the targeted user's client to crash continuously. This vulnerability was introduced in Cisco Webex Teams client for Windows Release 3.0.13131.

Affected products (as reported)

VendorProductVersions
Cisco Cisco Webex Teams 3.0.13131

Weakness: CWE-400 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References