The authentication manager process in the web framework in Cisco Intrusion Prevention System (IPS) does not properly handle user tokens, which allows remote attackers to cause a denial of service (intermittent MainApp hang) via a crafted management-interface connection request, aka Bug ID CSCuf20148.
https://exchange.xforce.ibmcloud.com/vulnerabilities/87280
http://www.securitytracker.com/id/1029057
http://www.securityfocus.com/bid/62517
http://tools.cisco.com/security/center/viewAlert.x?alertId=30913
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5497