CVE-2021-28827 : Vulnerability Insights and Analysis

A Stored Cross Site Scripting (XSS) vulnerability in TIBCO Administrator components allows an attacker to exploit a legitimate user, leading to a critical security breach.

Understanding CVE-2021-28827

This CVE identifies a vulnerability in multiple versions of TIBCO Administrator components, enabling an unauthenticated attacker to execute a Stored XSS attack on the affected system.

What is CVE-2021-28827?

The Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator contains an easily exploitable vulnerability that allows an unauthenticated attacker to social engineer a legitimate user with network access to execute a Stored XSS attack.

The Impact of CVE-2021-28827

In a worst-case scenario, an attacker could potentially gain full administrative access to the affected system, especially if the victim is a privileged administrator.

Technical Details of CVE-2021-28827

The vulnerability has a CVSS base score of 9.6, indicating a critical severity level. It has a low attack complexity, requires user interaction, and affects confidentiality and integrity.

Vulnerability Description

The Stored XSS vulnerability in TIBCO Administrator components enables an attacker to manipulate a legitimate user for unauthorized access.

Affected Systems and Versions

Versions 5.10.2 and below, as well as versions 5.11.0 and 5.11.1 of various TIBCO Administrator components are impacted.

Exploitation Mechanism

Successful exploitation requires an unauthenticated attacker to trick a legitimate user with network access to interact with malicious content.

Mitigation and Prevention

TIBCO has provided updated versions of affected components to address this vulnerability.

Immediate Steps to Take

Users are advised to update TIBCO Administrator - Enterprise Edition, TIBCO Administrator Distribution for TIBCO Silver Fabric, and TIBCO Runtime Agent to the recommended versions or higher.

Long-Term Security Practices

Maintain regular security updates, conduct security training, and implement strict access controls to prevent similar attacks.

Patching and Updates

TIBCO recommends updating to version 5.10.3 or higher for affected versions under 5.10.2, and to version 5.11.2 or higher for versions 5.11.0 and 5.11.1.