HOMEVULNERABILITIESCVE-2021-23274
CRITICAL

CVE-2021-23274

CWE-1021Published: March 23, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-23274 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

tibco2 product(s)
api exchange gatewayapi exchange gateway distribution
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.tibco.com/services/support/advisories
ADVISORYhttps://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway
ADVISORYhttp://www.tibco.com/services/support/advisories
ADVISORYhttps://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gateway

All References (4)

→
http://www.tibco.com/services/support/advisoriesVendor Advisory
→
https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gatewayVendor Advisory
→
http://www.tibco.com/services/support/advisoriesVendor Advisory
→
https://www.tibco.com/support/advisories/2021/03/tibco-security-advisory-march-23-2021-tibco-api-exchange-gatewayVendor Advisory

Quick Facts

CVE IDCVE-2021-23274
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-1021
CISA KEVNo
Affected1 vendor(s)
PublishedMar 23, 2021

Related CVEs (CWE-1021)

CVE-2016-2496
9.8
CVE-2021-43048
9.8
CVE-2021-21111
9.6
CVE-2021-21132
9.6
CVE-2023-41897
9.6
CVE-2024-10004
9.1

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-23274 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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