CVE-2021-29821 Explained : Impact and Mitigation

IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 is vulnerable to cross-site scripting, potentially leading to credentials disclosure within a trusted session.

Understanding CVE-2021-29821

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

What is CVE-2021-29821?

CVE-2021-29821 relates to a vulnerability in IBM Jazz for Service Management and IBM Tivoli Netcool/OMNIbus_GUI 8.1.0 that allows users to inject arbitrary JavaScript code into the Web UI, potentially leading to the disclosure of credentials in a trusted session.

The Impact of CVE-2021-29821

The impact of this vulnerability is considered medium with a CVSS base score of 5.4. Attackers can exploit this flaw to manipulate the Web UI's functionality and compromise the confidentiality of the system.

Technical Details of CVE-2021-29821

This section provides technical details of the vulnerability.

Vulnerability Description

The vulnerability allows threat actors to execute arbitrary JavaScript code through the Web UI, resulting in potential credential exposure within a trusted session.

Affected Systems and Versions

IBM Tivoli Netcool/OMNIbus version 8.1.0 is affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious JavaScript code into the Web UI, which can alter the system's intended functionality and lead to credential disclosure.

Mitigation and Prevention

To address CVE-2021-29821, follow these mitigation strategies.

Immediate Steps to Take

Users are advised to apply official fixes provided by IBM promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing secure coding practices and regular security assessments can help prevent cross-site scripting vulnerabilities in the future.

Patching and Updates

Regularly update the affected systems and apply security patches released by the vendor to address known vulnerabilities.