The RMI interface in Cisco Secure Access Control System (ACS) 5.x before 5.5 does not properly enforce authorization requirements, which allows remote authenticated users to obtain superadmin access via a request to this interface, aka Bug ID CSCud75180.
https://exchange.xforce.ibmcloud.com/vulnerabilities/90430
http://www.securitytracker.com/id/1029634
http://www.securityfocus.com/bid/64958
http://tools.cisco.com/security/center/viewAlert.x?alertId=32378
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140115-csacs