CVE-2021-23274Network attack vector

Administrative access via Config UI clickjacking

Published Mar 23, 2021 · Updated Sep 16, 2024

Clickjacking in the Config UI of TIBCO API Exchange Gateway products 2.3.3 and earlier allows remote attackers to gain administrative access. TIBCO has not published which framing restriction or UI-layer control is missing or incorrect in the Config UI. Network access is sufficient, no authentication or interaction by another user is required, and successful exploitation grants full administrative access.

CVSS severity9.8
Critical
EPSS probability1.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Clickjacking in the Config UI of TIBCO API Exchange Gateway products 2.3.3 and earlier allows remote attackers to gain administrative access. TIBCO has not published which framing restriction or UI-layer control is missing or incorrect in the Config UI. Network access is sufficient, no authentication or interaction by another user is required, and successful exploitation grants full administrative access.

The record

CVE
CVE-2021-23274
Published
Mar 23, 2021
Updated
Sep 16, 2024
Vendor
TIBCO Software Inc.
Product
TIBCO API Exchange Gateway
Classifications
CWE-1021, CAPEC-103, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 23, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <=2.3.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

TIBCO Software Inc. · TIBCO API Exchange Gatewayversion=unspecified <=2.3.3
TIBCO Software Inc. · TIBCO API Exchange Gateway Distribution for TIBCO Silver Fabricversion=unspecified <=2.3.3

Published CVSS scores

7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8TIBCO Software Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1021Improper Restriction of Rendered UI Layers or Frames
CAPEC-103Clickjacking
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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