CVE-2019-11208
TIBCO API Exchange Processes OAuth Incorrectly
- Published
- Updated
- Reserved
- Assigned by
- tibco
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| tibcoCNA (assigner) | 3.0 | Medium6.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Critical9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.91% · top 40% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.
Weakness
- The impact of this vulnerability includes the theoretical possibility that an attacker could gain access to all scopes defined for a given customer endpoint.
Affected products
TIBCO Software Inc. · TIBCO API Exchange Gateway
- affected 2.3.1 and prior
TIBCO Software Inc. · TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric
- affected 2.3.1 and prior
What to do
Solution: TIBCO has released updated versions of the affected systems which address these issues. TIBCO API Exchange Gateway versions 2.3.1 and below update to version 2.3.2 or higher TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric versions 2.3.1 and below update to version 2.3.2 or higher
References (2)
- http://www.tibco.com/services/support/advisories (opens in a new tab)x_refsource_MISCx_transferred
- https://www.tibco.com/support/advisories/2019/08/tibco-security-advisory-august-7-2019-tibco-api-exchange (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-11208)Record last updated .