CVE-2007-4204: Hitachi Groupmax Collaboration - Schedule, as used in Groupmax Collaboration Portal 07-32 through 07-32-/B,...

Security readout for executives and security teams

This old Hitachi collaboration-suite flaw could assign schedule data to the wrong user. If affected legacy products are still in use, a logged-in user might see sensitive schedule information belonging to someone else. Public sources do not show active exploitation. Exposure is likely limited to organizations still running the named 2007-era Hitachi Groupmax or uCosminexus collaboration products and using their schedule features. Treat as a targeted legacy-system risk. It is not an internet-wide emergency from the available evidence, but unresolved exposure could leak internal scheduling or business-sensitive information to authenticated users. Mitigation focus: Identify whether the named Hitachi collaboration products are still deployed.; Check Hitachi advisory HS07-022 for vendor remediation guidance.; Apply vendor-supported fixes or configuration changes if documented..

Prepared

Jun 29, 2026, 04:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.