CVE-2021-23272Network attack vector

Authenticated script execution via undisclosed client flaw

Published Jan 26, 2021 · Updated Sep 16, 2024

Cross-site scripting in TIBCO BPM Enterprise products 4.3.0 and earlier allows remote authenticated users to execute scripts. TIBCO has not published the input field, client code path, or missing output-neutralization operation in Application Development Clients. Exploitation requires low-privilege network access and victim interaction, enabling reads and modifications to a subset of AMX-BPM data.

CVSS severity4.6
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in TIBCO BPM Enterprise products 4.3.0 and earlier allows remote authenticated users to execute scripts. TIBCO has not published the input field, client code path, or missing output-neutralization operation in Application Development Clients. Exploitation requires low-privilege network access and victim interaction, enabling reads and modifications to a subset of AMX-BPM data.

The record

CVE
CVE-2021-23272
Published
Jan 26, 2021
Updated
Sep 16, 2024
Vendor
TIBCO Software Inc.
Product
TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 26, 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 <=4.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

TIBCO Software Inc. · TIBCO BPM Enterprise Distribution for TIBCO Silver Fabricversion=unspecified <=4.3.0
TIBCO Software Inc. · TIBCO BPM Enterpriseversion=unspecified <=4.3.0

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
4.6TIBCO Software Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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