CVE-2021-23272 : Vulnerability Insights and Analysis

TIBCO BPM Cross Site Scripting (XSS) is a vulnerability found in TIBCO BPM Enterprise and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric, potentially allowing a low privileged attacker to execute a Cross Site Scripting attack. This CVE was published on January 26, 2021, by TIBCO Software Inc.

Understanding CVE-2021-23272

This section will delve into the details of the CVE-2021-23272 vulnerability affecting TIBCO BPM Enterprise and TIBCO Silver Fabric distribution in terms of its impact, technical details, and mitigation strategies.

What is CVE-2021-23272?

The Application Development Clients component of TIBCO BPM Enterprise and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric contain a vulnerability that could allow a low privileged attacker with network access to execute a Cross Site Scripting (XSS) attack on the affected system. Affected versions include TIBCO BPM Enterprise 4.3.0 and below, as well as TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric versions 4.3.0 and below.

The Impact of CVE-2021-23272

The successful exploitation of this vulnerability could result in unauthorized read access and unauthorized update, insert, or delete access to a subset of AMX-BPM data on the affected system. The CVSS base score for this vulnerability is 4.6, indicating a medium severity level.

Technical Details of CVE-2021-23272

Let's explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism in more detail.

Vulnerability Description

The vulnerability allows a low privileged attacker with network access to execute a Cross Site Scripting (XSS) attack by targeting the Application Development Clients component of the affected TIBCO software.

Affected Systems and Versions

Affected systems include TIBCO BPM Enterprise versions 4.3.0 and below, and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric versions 4.3.0 and below.

Exploitation Mechanism

The vulnerability theoretically permits a low privileged attacker with network access to carry out a Cross Site Scripting attack on the compromised system.

Mitigation and Prevention

This section focuses on the steps to mitigate and prevent the exploitation of CVE-2021-23272.

Immediate Steps to Take

Users are advised to upgrade to the latest versions provided by TIBCO Software Inc. to address this vulnerability and mitigate the risk of exploitation.

Long-Term Security Practices

Implementing secure coding practices, regular security assessments, and monitoring for any unusual activities can enhance the overall security posture of the systems.

Patching and Updates

TIBCO has released updated versions, TIBCO BPM Enterprise versions 4.3.0 and below should be updated to version 4.3.1 or higher, and TIBCO BPM Enterprise Distribution for TIBCO Silver Fabric versions 4.3.0 and below should be updated to version 4.3.1 or higher.