Cisco Security Advisory – A vulnerability in Cisco WebEx Player could allow an unauthenticated, remote attacker to execute arbitrary code. The vulnerability is due to improper handling of user-supplied files. An attacker could exploit this vulnerability by persuading a user to open a malicious file using the affected software. A successful exploit could allow the attacker to execute arbitrary code on the system with the privileges of the user. Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available.