Cisco Security Monitoring, Analysis and Response System (CS-MARS) before 4.1.3 has an undocumented administrative account with a default password, which allows local users to gain privileges via the expert command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24065
http://www.vupen.com/english/advisories/2006/0154
http://www.securityfocus.com/bid/16211
http://www.cisco.com/warp/public/707/cisco-sa-20060111-mars.shtml
http://securitytracker.com/id?1015471
http://securityreason.com/securityalert/335