CVE-2024-21666 Explained : Impact and Mitigation

This CVE involves an improper access control vulnerability in the Pimcore Customer Data Framework, which allows unprivileged users to access the list of customer duplicates.

Understanding CVE-2024-21666

This vulnerability in the Pimcore Customer Data Framework allows authenticated but unauthorized users to view potential duplicate users' data, including personally identifiable information (PII), by accessing a specific endpoint.

What is CVE-2024-21666?

The Customer Management Framework (CMF) for Pimcore is designed to enhance customer data management, segmentation, personalization, and marketing automation. The vulnerability allows unauthorized users to access sensitive data by exploiting improper access control mechanisms.

The Impact of CVE-2024-21666

The impact of this vulnerability is rated as medium. While it has a low attack complexity and requires only low privileges, it can result in high confidentiality impact as unauthorized users can access PII data of customers.

Technical Details of CVE-2024-21666

This section delves deeper into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from improper access control mechanisms in the Pimcore Customer Data Framework, allowing unauthorized users to access customer duplicate lists and view sensitive data.

Affected Systems and Versions

The vulnerability affects the Pimcore customer-data-framework versions prior to version 4.0.6. Users of affected versions are at risk of unauthorized access to customer data duplicates.

Exploitation Mechanism

The vulnerability can be exploited by authenticated but unauthorized users accessing the

/admin/customermanagementframework/duplicates/list

endpoint to view customer duplicate information without appropriate permissions.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks associated with CVE-2024-21666.

Immediate Steps to Take

Users should update their Pimcore customer-data-framework to version 4.0.6 or newer, where the vulnerability has been patched. Additionally, restricting access to sensitive endpoints to authorized users can help prevent unauthorized access.

Long-Term Security Practices

Implementing robust access control measures, regularly monitoring and auditing user access, and providing security training to employees can enhance the overall security posture of an organization.

Patching and Updates

Regularly updating software components, including frameworks like Pimcore customer-data-framework, is essential to ensure that known vulnerabilities are addressed promptly and system security is maintained at optimal levels.