CVE-2021-23274: TIBCO API Exchange Gateway

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

The Config UI component of TIBCO Software Inc.'s TIBCO API Exchange Gateway and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric contains a vulnerability that theoretically allows an unauthenticated attacker with network access to execute a clickjacking attack on the affected system. A successful attack using this vulnerability does not require human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO API Exchange Gateway: versions 2.3.3 and below and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric: versions 2.3.3 and below.

Affected products

• TIBCO API Exchange Gateway: up to and including 2.3.3
• TIBCO API Exchange Gateway Distribution: up to and including 2.3.3

Published 2021-03-23. Last modified 2026-06-17.