CVE-2021-4290 : What You Need to Know

A critical SQL Injection vulnerability, identified as CVE-2021-4290, impacts DHBW Fallstudie's Login component handled by passport.js. It is crucial to understand the details, impact, technical aspects, and mitigation steps related to this security issue.

Understanding CVE-2021-4290

This section delves into the specifics of the CVE-2021-4290 vulnerability.

What is CVE-2021-4290?

CVE-2021-4290 is a critical SQL Injection flaw discovered in DHBW Fallstudie's Login module, specifically in the file app/config/passport.js. Exploiting the 'id/email' parameter manipulation could lead to a SQL Injection attack.

The Impact of CVE-2021-4290

The vulnerability allows threat actors to inject malicious SQL queries, potentially compromising the confidentiality, integrity, and availability of the affected system. The severity is classified as Medium with a CVSS base score of 5.5.

Technical Details of CVE-2021-4290

Explore the technical aspects related to the CVE-2021-4290 vulnerability in this section.

Vulnerability Description

The flaw originates from inadequate input validation of the 'id/email' parameter, facilitating SQL Injection attacks. A patch with the identifier 5c13c6a972ef4c07c5f35b417916e0598af9e123 has been released to address this issue.

Affected Systems and Versions

The vulnerability affects DHBW Fallstudie's Login module, with all versions being susceptible to exploitation.

Exploitation Mechanism

By manipulating the 'id/email' parameter with malicious data, threat actors can inject SQL queries, potentially leading to unauthorized data retrieval or modification.

Mitigation and Prevention

Discover the essential steps to mitigate and prevent the exploitation of CVE-2021-4290.

Immediate Steps to Take

Immediate action involves applying the provided patch (5c13c6a972ef4c07c5f35b417916e0598af9e123) to eliminate the SQL Injection vulnerability.

Long-Term Security Practices

Implement robust input validation mechanisms and security protocols to prevent future SQL Injection vulnerabilities in the system.

Patching and Updates

Regularly update and patch the DHBW Fallstudie's components, especially the Login module, to safeguard against potential security risks.