CVE-2021-20503 : Security Advisory and Response

IBM Jazz Foundation Products are vulnerable to cross-site scripting, potentially leading to credentials disclosure within a trusted session.

Understanding CVE-2021-20503

This CVE pertains to cross-site scripting vulnerabilities in IBM Jazz Foundation Products, affecting various versions.

What is CVE-2021-20503?

The CVE-2021-20503 vulnerability in IBM products allows attackers to insert malicious JavaScript code into the Web UI, potentially compromising user credentials within a secure session.

The Impact of CVE-2021-20503

The impact is rated as MEDIUM severity, with a CVSS base score of 5.4, making it a critical threat that can lead to unauthorized access through credential disclosure.

Technical Details of CVE-2021-20503

This section covers the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers to execute arbitrary JavaScript code in the Web UI, affecting the intended functionality.

Affected Systems and Versions

Products like Engineering Workflow Management, Engineering Lifecycle Optimization, Rational Team Concert, and Rational Engineering Lifecycle Manager are impacted in specific versions.

Exploitation Mechanism

The vulnerability requires low privileges for execution and high exploit code maturity, with user interaction necessary for successful exploitation.

Mitigation and Prevention

Learn about immediate measures to take and long-term security practices to safeguard your systems against CVE-2021-20503.

Immediate Steps to Take

Promptly apply official fixes and security patches provided by IBM to mitigate the vulnerability.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and educate users on safe browsing habits to prevent XSS attacks.

Patching and Updates

Stay updated with the latest security bulletins from IBM for any further patches or updates to protect your systems.