CVE-2013-5521
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.
Date published : 2013-10-24
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5521