A vulnerability in Cisco Webex Meetings could allow an unauthenticated, remote attacker to join a Webex session without appearing on the participant list. This vulnerability is due to improper handling of authentication tokens by a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable site. A successful exploit requires the attacker to have access to Webex meeting, including applicable meeting join links and passwords. No workarounds are available to address this vulnerability. Customers are advised to apply updated software releases.”]