The Customer Management Framework (CMF) for Pimcore introduces critical functionality for customer data management, segmentation, personalization, and marketing automation. However, a vulnerability allows authenticated and unauthorized users to access potential duplicate user data. This occurs at the '/admin/customermanagementframework/duplicates/list' endpoint, where permissions are improperly enforced, leading to the exposure of personally identifiable information (PII). Organizations using affected versions must prioritize remediation, as this vulnerability has been patched in version 4.0.6.
The severity of this vulnerability is classified as medium, with a CVSS score of 6.5. This level of vulnerability is significant as it could lead to unauthorized access to sensitive customer information, thereby increasing the risk to organizations. Immediate action is required to mitigate this risk, especially for those using versions prior to the patch.
Currently, there are no known public exploits, and this vulnerability is not listed in the Known Exploited Vulnerabilities (KEV) catalog. However, the potential for exploitation exists, and organizations should remain vigilant.
Organizations should prioritize patching immediately to prevent unauthorized access to customer data and mitigate any potential impact from this vulnerability.
Vulnerability Details
The vulnerability allows an authenticated user without the necessary permissions to access the endpoint that displays potential duplicates of users. The lack of proper access control results in unauthorized users being able to view sensitive customer data. The CVSS score of 6.5 indicates a medium severity level, with a high impact on confidentiality and no impact on integrity or availability. The vulnerability is categorized under CWE-284, which pertains to improper access control.
Technical Analysis
This vulnerability stems from improper enforcement of access controls at a critical endpoint within the CMF. The attack vector is network-based, and the complexity of the attack is low, meaning that minimal effort is required to exploit the vulnerability. It requires low privileges to initiate an attack, and no user interaction is necessary, making it particularly concerning for organizations.
The confidentiality impact is rated high, indicating that sensitive information can be accessed by unauthorized parties. However, there is no effect on integrity or availability, which means that the data is not altered or disrupted in the exploitation process.
Risk & Impact Analysis
The risk to organizations includes unauthorized access to sensitive customer information, which could lead to data breaches and compliance violations. Given the high confidentiality impact, organizations handling customer data must treat this vulnerability with urgency. The potential blast radius is significant, especially for organizations that rely heavily on customer data for marketing and personalization.
Organizations should address this vulnerability in their priority patch cycle, as failure to do so could result in severe reputational damage and legal repercussions.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions prior to vendor patch 4.0.6 of the Customer Management Framework are affected by this vulnerability. Organizations should ensure that they upgrade to this patched version to mitigate the risk.
Mitigation & Remediation
Organizations must apply the patch available in version 4.0.6 of the Customer Management Framework. If the patch cannot be immediately applied, consider implementing temporary workarounds such as restricting access to the affected endpoint or enhancing monitoring for unusual access patterns. Additionally, organizations can strengthen their overall security posture through configuration hardening and network controls.
For comprehensive testing and validation of security measures, organizations should utilize penetration testing services to identify and remediate vulnerabilities.
Detection Guidance
Organizations should monitor logs for any unauthorized access attempts, particularly those targeting the '/admin/customermanagementframework/duplicates/list' endpoint. Behavioral anomalies, such as unusual query patterns or access from unknown IP addresses, should also be flagged for further investigation.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2024-21666 highlights the ongoing challenges organizations face with access control mechanisms. This vulnerability exemplifies the necessity for continuous security assessments to identify potential weaknesses before they can be exploited. Security teams should learn from this incident to reinforce their security measures and ensure robust access controls are in place.
For further reading on vulnerability management practices, organizations can refer to the vulnerability management program design guide.
Additionally, for insight into penetration testing methodologies, organizations should explore the penetration testing methodology blog post.
Finally, organizations can enhance their security posture by reviewing best practices in security testing to prevent similar vulnerabilities in the future.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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