CVE-2014-0921

CVE-2014-0921 is a none vulnerability published on April 15, 2014. The server in IBM MessageSight 1.x before 1.1.0.0-IBM-IMA-IT01015 allows remote attackers to cause a denial of service (daemon crash and message data loss) via malformed headers during a WebSockets connection upgrade.

CVE-2014-0921 was first published in the National Vulnerability Database on April 15, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

CVE-2014-0921 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-0921, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.