CVE-2020-3441: Cisco Webex Meetings

Medium severity, CVSS 5.3. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to view sensitive information from the meeting room lobby. This vulnerability is due to insufficient protection of sensitive participant information. An attacker could exploit this vulnerability by browsing the Webex roster. A successful exploit could allow the attacker to gather information about other Webex participants, such as email address and IP address, while waiting in the lobby.

Affected products

• Cisco Webex Meetings: up to and including 40.6.11; up to and including 40.11.3
• Cisco Webex Meetings Server: before 3.0 (fixed in 3.0); version 3.0 only; version 4.0 only

Published 2020-11-18. Last modified 2026-06-17.