CVE-2021-30133 : Security Advisory and Response

A detailed analysis of CVE-2021-30133, a cross-site scripting (XSS) vulnerability found in CloverDX Server versions 5.9.0, 5.8.1, 5.7.0, and earlier, allowing remote attackers to inject malicious web script or HTML.

Understanding CVE-2021-30133

This section provides insights into the nature and implications of the CVE-2021-30133 vulnerability.

What is CVE-2021-30133?

The CVE-2021-30133 vulnerability is identified as a cross-site scripting (XSS) security flaw in CloverDX Server. Attackers can exploit this vulnerability to inject unauthorized web script or HTML code via the sessionToken parameter in Simple HTTP API methods.

The Impact of CVE-2021-30133

The impact of this vulnerability could lead to unauthorized access, data theft, or manipulation by malicious actors. It poses a significant risk to the confidentiality and integrity of the affected systems.

Technical Details of CVE-2021-30133

This section delves into the technical aspects and specifics of CVE-2021-30133.

Vulnerability Description

The vulnerability arises from insufficient input validation in CloverDX Server versions 5.9.0, 5.8.1, 5.7.0, and prior versions, enabling attackers to execute XSS attacks by injecting malicious code through the sessionToken parameter.

Affected Systems and Versions

CloverDX Server versions 5.9.0, 5.8.1, 5.7.0, and earlier are affected by this XSS vulnerability. Users who have not updated to versions 5.9.1 and 5.10 remain vulnerable to exploitation.

Exploitation Mechanism

Remote attackers exploit the CVE-2021-30133 vulnerability by sending crafted requests containing malicious scripts or HTML code within the sessionToken parameter of various Simple HTTP API methods.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent the exploitation of CVE-2021-30133.

Immediate Steps to Take

It is highly recommended to update CloverDX Server to the patched versions 5.9.1 or 5.10 to prevent exploitation of the XSS vulnerability. Additionally, users should sanitize user inputs and implement appropriate validation mechanisms.

Long-Term Security Practices

Incorporating secure coding practices, conducting regular security audits, and staying informed about security updates are crucial for maintaining the integrity and security of software systems.

Patching and Updates

Regularly monitor for security advisories from CloverDX and apply patches promptly to address any known vulnerabilities, ensuring the software remains secure and resilient.