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CVE-2021-23274: TIBCO API Exchange Gateway Clickjack Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-23 · updated 2026-06-17
• Weakness: CWE-1021

Description

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: through 2.3.3
• TIBCO Api Exchange Gateway Distribution: through 2.3.3

References

• http://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway
• http://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway

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