CVE-2021-20571 Explained : Impact and Mitigation

IBM Sterling B2B Integrator versions 5.2.0.0 through 6.1.1.0 are susceptible to stored cross-site scripting (XSS) attacks. This vulnerability permits malicious users to inject JavaScript code into the Web UI, potentially leading to unauthorized access and data disclosure.

Understanding CVE-2021-20571

This section delves into the details of the CVE-2021-20571 vulnerability affecting IBM Sterling B2B Integrator.

What is CVE-2021-20571?

IBM Sterling B2B Integrator versions 5.2.0.0 through 6.1.1.0 are exposed to a stored cross-site scripting (XSS) flaw. Attackers can insert arbitrary JavaScript code into the Web UI, altering its behavior and compromising sensitive data.

The Impact of CVE-2021-20571

The vulnerability poses a medium threat level according to the CVSSv3.0 base score of 4.9, highlighting the potential risks of credential exposure and unauthorized access within a trusted session.

Technical Details of CVE-2021-20571

This section provides technical insights into the CVE-2021-20571 vulnerability within IBM Sterling B2B Integrator.

Vulnerability Description

The stored cross-site scripting (XSS) bug in IBM Sterling B2B Integrator versions 5.2.0.0 through 6.1.1.0 allows threat actors to execute malicious scripts in the Web UI, compromising data integrity and confidentiality.

Affected Systems and Versions

The affected versions include 5.2.0.0, 6.0.0.0, 6.0.1.0, 6.1.0.0, 6.0.3.4, 6.1.0.3, 5.2.6.5_4, and 6.0.0.6 of IBM Sterling B2B Integrator.

Exploitation Mechanism

Exploiting this XSS vulnerability requires low privileges and low user interaction, with high exploit code maturity and attack complexity.

Mitigation and Prevention

Learn about the necessary steps to mitigate the risks associated with CVE-2021-20571 in IBM Sterling B2B Integrator.

Immediate Steps to Take

Implement security patches and defensive measures promptly to mitigate the risk of XSS attacks and data exposure.

Long-Term Security Practices

Enhance security protocols, conduct regular security audits, and provide training to prevent similar XSS vulnerabilities in the future.

Patching and Updates

Stay informed about official fixes and updates released by IBM to address the CVE-2021-20571 vulnerability in Sterling B2B Integrator.