CVE-2021-40115: Cisco Collaboration Meeting Rooms

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability in Cisco Webex Video Mesh could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.

Affected products

• Cisco Collaboration Meeting Rooms: version 2.0 only
• Cisco Webex Video Mesh: before 2021.10.18.2439m (fixed in 2021.10.18.2439m)

Published 2021-11-04. Last modified 2026-06-17.