The web framework in Cisco Prime Collaboration Assurance before 10.5.1.53684-1 allows remote authenticated users to bypass intended login-session read restrictions, and impersonate administrators of arbitrary tenant domains, by discovering a session identifier and constructing a crafted URL, aka Bug IDs CSCus88343 and CSCus88334.
http://www.securitytracker.com/id/1033581
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150916-pca