CVE-2021-38876 Explained : Impact and Mitigation

This CVE-2021-38876 article provides details about a cross-site scripting vulnerability affecting IBM i versions 7.2, 7.3, and 7.4. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2021-38876

This section delves into the specifics of the cross-site scripting vulnerability present in IBM i versions 7.2, 7.3, and 7.4.

What is CVE-2021-38876?

CVE-2021-38876 is a cross-site scripting vulnerability in IBM i versions 7.2, 7.3, and 7.4. It allows users to inject arbitrary JavaScript code into the Web UI, potentially leading to credentials disclosure within trusted sessions.

The Impact of CVE-2021-38876

The vulnerability poses a medium severity threat with a CVSS base score of 6.1. Attackers can exploit this flaw to modify website content and carry out malicious actions within affected systems.

Technical Details of CVE-2021-38876

Explore the specific technical aspects of CVE-2021-38876, including how it can be exploited and the systems it affects.

Vulnerability Description

IBM i versions 7.2, 7.3, and 7.4 are susceptible to cross-site scripting, enabling attackers to execute arbitrary JavaScript code and jeopardize system integrity.

Affected Systems and Versions

The cross-site scripting vulnerability impacts IBM i versions 7.2, 7.3, and 7.4, potentially exposing users of these versions to malicious web-based attacks.

Exploitation Mechanism

By injecting malicious JavaScript code into the Web UI, threat actors can manipulate the intended functionality of the affected systems and compromise sensitive information.

Mitigation and Prevention

Discover the steps that can be taken to mitigate the risks associated with CVE-2021-38876 and prevent future exploitation.

Immediate Steps to Take

Users are advised to apply official fixes provided by IBM to address the cross-site scripting vulnerability promptly.

Long-Term Security Practices

Implementing robust security measures, such as input validation and secure coding practices, can help mitigate the risks of cross-site scripting vulnerabilities.

Patching and Updates

Regularly updating IBM i systems to the latest versions and staying informed about security bulletins is crucial to ensure protection against emerging threats.