TIBCO API Exchange Gateway Clickjack Vulnerability
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.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Mar 23, 2021
- Updated
- Jun 16, 2026
- EPSS
- 1.2% · 66th percentile
- CWE
- CWE-1021
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Report tools
Action score
39
Monitor
Low priority for now.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.2%
CNA vs NVD score
- NVD
- 9.8
- CNA · tibco
- 9.8
- agree
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| tibco | api exchange gateway | cpe:2.3:a:tibco:api_exchange_gateway |
| tibco | api exchange gateway distribution | cpe:2.3:a:tibco:api_exchange_gateway_distribution |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- tibco api exchange gatewayup to 2.3.3 inclusive
- tibco api exchange gateway distributionup to 2.3.3 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (tibco). Independent of NVD's CPE analysis and usually ahead of it.
TIBCO Software Inc. TIBCO API Exchange Gateway
- unspecified and later · up to and including 2.3.3affected
TIBCO Software Inc. TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabric
- unspecified and later · up to and including 2.3.3affected
Same product
tibco: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-11208TIBCO API Exchange Processes OAuth Incorrectly39Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-1021 · Improper Restriction of Rendered UI Layers or FramesCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- ClickjackingCAPEC-103likelihood: Medium · High
- Flash File OverlayCAPEC-181Medium
- iFrame OverlayCAPEC-222likelihood: Medium · High
- Task ImpersonationCAPEC-504likelihood: Medium · High
- TapjackingCAPEC-506likelihood: Low · Low
- Cross Frame Scripting (XFS)CAPEC-587High
- Credential Prompt ImpersonationCAPEC-654likelihood: Medium · High
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.tibco.com/services/support/advisories
- www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway
Vendor advisories and official records. Exploit/PoC links are deliberately left out.