CVE-2019-11208

Name: CVE-2019-11208
Creator: NVD / NIST
Published: 2019-08-08T16:15:11.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.9/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2019-11208 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. 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.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.91%

55.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Tibco	Api Exchange Gateway	<= 2.3.1

References

http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2019/08/tibco-security-advisory-august-7-2019-tibco-api-exchangeIssue Tracking, Vendor Advisory
http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2019/08/tibco-security-advisory-august-7-2019-tibco-api-exchangeIssue Tracking, Vendor Advisory

Timeline

Published: Aug 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11208?

How severe is CVE-2019-11208?

CVE-2019-11208 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11208?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11208?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST