What’s Vulnerable › Vulnerabilities

CVE-2019-11208: TIBCO API Exchange Processes OAuth Incorrectly

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-08 · updated 2026-06-17

Description

The authorization 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 processes OAuth authorization incorrectly, leading to potential escalation of privileges for the specific customer endpoint, when the implementation uses multiple scopes. This issue affects: TIBCO Software Inc.'s TIBCO API Exchange Gateway version 2.3.1 and prior versions, and TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric version 2.3.1 and prior versions.

Affected products

• TIBCO Api Exchange Gateway: through 2.3.1

References

• http://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2019/08/tibco-security-advisory-august-7-2019-tibco-api-exchange
• http://www.tibco.com/services/support/advisories
• https://www.tibco.com/support/advisories/2019/08/tibco-security-advisory-august-7-2019-tibco-api-exchange

Get alerted when CVE-2019-11208 or the next vulnerability affects your stack