A vulnerability in Cisco Webex Meetings could allow an unauthenticated, remote attacker to maintain bidirectional audio despite being expelled from an active Webex session. The vulnerability is due to a synchronization issue between meeting and media services on a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco site. No workarounds are available to fix this vulnerability. Customers are advised to apply updated software releases. No user action is required to upgrade Cisco products.”]