CVE-2021-29820 : What You Need to Know

IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 is vulnerable to cross-site scripting, potentially allowing users to embed arbitrary JavaScript code in the Web UI.

Understanding CVE-2021-29820

This CVE involves a cross-site scripting vulnerability in IBM Tivoli Netcool/OMNIbus affecting version 8.1.0.

What is CVE-2021-29820?

CVE-2021-29820 is a security flaw in IBM Tivoli Netcool/OMNIbus 8.1.0 that enables malicious users to inject arbitrary JavaScript code into the Web UI, potentially leading to unauthorized access and data disclosure.

The Impact of CVE-2021-29820

The vulnerability could be exploited to alter the intended functionality of the application, ultimately leading to the disclosure of sensitive credentials within a trusted session.

Technical Details of CVE-2021-29820

In the context of the CVSS v3.0 metrics, this vulnerability has a base score of 5.4 (Medium severity) and requires user interaction for exploitation. The attack complexity is low, and the scope is changed after exploitation.

Vulnerability Description

The vulnerability allows attackers to execute arbitrary JavaScript code via the Web UI, posing a risk of credentials disclosure.

Affected Systems and Versions

Product: Tivoli Netcool/OMNIbus
Vendor: IBM
Version: 8.1.0

Exploitation Mechanism

Exploitation of this vulnerability requires low privileges and user interaction, making it essential for users to exercise caution while interacting with the affected application.

Mitigation and Prevention

To safeguard systems from potential exploitation of CVE-2021-29820, users and administrators should take immediate action to mitigate the risks associated with this vulnerability.

Immediate Steps to Take

Users are advised to apply official fixes provided by IBM to address the vulnerability in Tivoli Netcool/OMNIbus 8.1.0.

Long-Term Security Practices

Incorporating secure coding practices, regular security assessments, and user awareness training can help prevent similar cross-site scripting vulnerabilities in the future.

Patching and Updates

Regularly checking for security patches and updates from IBM, and promptly applying them to the affected systems, is crucial to maintaining a secure environment.