The authorization functionality in Cisco Firewall Services Module (FWSM) 3.1.x and 3.2.x before 3.2(25) and 4.x before 4.1(13), when multiple-context mode is enabled, allows local users to read or modify any context's configuration via unspecified commands, aka Bug ID CSCue46080.
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131009-fwsm