CVE-2014-2121: The Java-based software in Cisco Hosted Collaboration Solution (HCS) allows remote attackers to cause a den...

Security readout for executives and security teams

CVE-2014-2121 is a denial-of-service issue in the Java-based software of Cisco Hosted Collaboration Solution. A remote attacker could cause TCP ports to close, potentially disrupting collaboration services. The public bundle does not provide CVSS, affected versions, or confirmed fixes. Exposure appears limited to organizations operating Cisco Hosted Collaboration Solution components affected by the referenced Cisco bugs. The bundle does not identify affected versions, network roles, or whether default deployments are reachable by untrusted users. Treat as an availability risk for collaboration infrastructure. Prioritize confirmation if Cisco HCS supports business-critical communications, but avoid emergency escalation unless vendor guidance or internal exposure shows affected systems are reachable. Mitigation focus: Review Cisco advisory CVE-2014-2121 for affected releases and official fixes.; Inventory Cisco HCS deployments and map Java-based service components.; Restrict untrusted network access to HCS service and management interfaces..

Prepared

Jun 14, 2026, 14:32 UTC (UTC+00:00)

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