BMC Remedy Action Request System 5.01.02 Patch 1267 generates different error messages for failed login attempts with a valid username than for those with an invalid username, which allows remote attackers to determine valid account names.

AR System Mid Tier in the AR System Mid Tier component before 9.0 SP1 for BMC Remedy AR System Server allows remote authenticated users to "navigate" to arbitrary files via the report parameter of the BIRT viewer servlet.

The BIRT Engine servlet in the AR System Mid Tier component before 9.0 SP1 for BMC Remedy AR System Server allows remote authenticated users to "navigate" to arbitrary local files via the imageid parameter.

Remedy AR System Server in BMC Remedy 7.1 may fail to set the correct user context in certain impersonation scenarios, which can allow a user to act with the identity of a different user, because userdata.js in the WOI:WorkOrderConsole component allows a username substitution involving a UserDataInit call.