According to its self-reported version, Cisco Webex Meetings is affected by a information disclosure vulnerability. This vulnerability is due to insufficient protection of sensitive participant information. An unauthenticated, remote 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. Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Cisco Webex Meetings and Cisco Webex Meetings Server Information Disclosure Vulnerability