What’s Vulnerable › Vulnerabilities

CVE-2014-0921

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-04-15 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• IBM Messagesight: all versions
• IBM Messagesight Jms Client: 1.0.0.0, 1.0.0.1, 1.1.0.0

References

• http://www-01.ibm.com/support/docview.wss?uid=swg1IC98583
• http://www-01.ibm.com/support/docview.wss?uid=swg21670278
• https://exchange.xforce.ibmcloud.com/vulnerabilities/92074
• http://www-01.ibm.com/support/docview.wss?uid=swg1IC98583
• http://www-01.ibm.com/support/docview.wss?uid=swg21670278
• https://exchange.xforce.ibmcloud.com/vulnerabilities/92074

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