Hitachi Groupmax Collaboration - Schedule, as used in Groupmax Collaboration Portal 07-32 through 07-32-/B, uCosminexus Collaboration Portal 06-32 through 06-32-/B, and Groupmax Collaboration Web Client - Mail/Schedule 07-32 through 07-32-/A, can assign schedule data to the wrong user under unspecified conditions, which might allow remote authenticated users to obtain sensitive information.