CVE-2010-0642: Cisco Collaboration Server (CCS) 5 allows remote attackers to read the source code of JHTML files via URL e...

Security readout for executives and security teams

CVE-2010-0642 is an information disclosure issue in Cisco Collaboration Server 5. A remote attacker could cause certain web pages to return their server-side JHTML source code. That source may expose implementation details, paths, or sensitive logic that helps further attacks, but the supplied sources do not show active exploitation. Exposure is likely limited to organizations still running Cisco Collaboration Server 5 with affected JHTML paths reachable from untrusted networks. The provided affected-product metadata is incomplete, so confirm using asset inventory rather than product assumptions. Prioritize if any CCS 5 system is internet-facing or business-critical. The issue is old, but legacy collaboration systems often remain exposed. The main business risk is source disclosure that can lower the effort needed for broader compromise. Mitigation focus: Identify any Cisco Collaboration Server 5 instances in asset inventory.; Restrict external access to CCS administrative and web components.; Check Cisco or vendor guidance for supported fixes or retirement paths..

Prepared

Jun 28, 2026, 09:59 UTC (UTC+00:00)

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