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
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-0680
http://tools.cisco.com/security/center/viewAlert.x?alertId=32378
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140115-csacs