Is CVE-2021-23272 actively exploited?

No active exploitation of CVE-2021-23272 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-23272 be exploited remotely?

Yes. CVE-2021-23272 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-23272?

CVE-2021-23272 has a CVSS score of 5.4 (MEDIUM).

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MEDIUM

CVE-2021-23272

CWE-79Published: January 26, 2021· Updated: Jun 17, 2026

5.4

CVSS v3.1

Official Description

The Application Development Clients component of TIBCO Software Inc.'s TIBCO BPM Enterprise and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric contains a vulnerability that theoretically allows a low privileged attacker with network access to execute a Cross Site Scripting (XSS) attack on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO BPM Enterprise: versions 4.3.0 and below and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric: versions 4.3.0 and below.

NVD Source

Technical Analysis

CVE-2021-23272 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.