CVE-2024-21666
Pimcore Customer Data Framework Improper Access Control allows unprivileged user to access customers duplicates list
The Customer Management Framework (CMF) for Pimcore adds functionality for customer data management, segmentation, personalization and marketing automation. An authenticated and unauthorized user can access the list of potential duplicate users and see their data. Permissions are enforced when reaching the /admin/customermanagementframework/duplicates/list endpoint allowing an authenticated user without the permissions to access the endpoint and query the data available there. Unauthorized user(s) can access PII data from customers. This vulnerability has been patched in version 4.0.6.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Pimcore Customer Data Framework Improper Access Control allows unprivileged user to access customers duplicates list
The Customer Management Framework (CMF) for Pimcore adds functionality for customer data management, segmentation, personalization and marketing automation. An authenticated and unauthorized user can access the list of potential duplicate users and see their data. Permissions are enforced when reaching the /admin/customermanagementframework/duplicates/list endpoint allowing an authenticated user without the permissions to access the endpoint and query the data available there. Unauthorized user(s) can access PII data from customers. This vulnerability has been patched in version 4.0.6.
- Record
CVE-2024-21666- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2024-0325
The Customer Management Framework (CMF) for Pimcore adds functionality for customer data management, segmentation, personalization and marketing automation. An authenticated and unauthorized user can access the list of potential duplicate users and see their data. Permissions are enforced when reaching the /admin/customermanagementframework/duplicates/list endpoint allowing an authenticated user without the permissions to access the endpoint and query the data available there. Unauthorized user(s) can access PII data from customers. This vulnerability has been patched in version 4.0.6.
- Record
EUVD-2024-0325- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c38c-c8mh-vq68
Pimcore Customer Data Framework Improper Access Control allows unprivileged user to access customers duplicates list
Summary
An authenticated and unauthorized user can access the list of potential duplicate users and see their data.
Details
Permissions do not seem to be enforced when reaching the /admin/customermanagementframework/duplicates/list endpoint allowing an authenticated user without the permissions to access the endpoint and query the data available there. It seems that the access control is not enforced in this place :
https://github.com/pimcore/customer-data-framework/blob/b4af625ef327c58d05ef7cdf145fa749d2d4195e/src/Controller/Admin/DuplicatesController.php#L43
PoC
In order to reproduce the issue, the following steps can be followed :
- As an administrator : a. Create a role without any permission through Settings → User & Roles → Roles in the administration panel b. Create an user through Settings → User & Roles → Users and assign it the unprivileged role previously created
- Log out the current administrator and log in with this new user
- Access to the following endpoint
https://pimcore_instance/admin/customermanagementframework/duplicates/listand the results will be returned to this unauthorized user
Impact
An unauthorized user can access PII data from customers without being authorized to.
- Record
GHSA-c38c-c8mh-vq68- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
The Customer Management Framework (CMF) for Pimcore adds functionality for customer data management, segmentation, personalization and marketing automation. An authenticated and unauthorized user can access the list of potential duplicate users and see their data. Permissions are enforced when reaching the /admin/customermanagementframework/duplicates/list endpoint allowing an authenticated user without the permissions to access the endpoint and query the data available there. Unauthorized user(s) can access PII data from customers. This vulnerability has been patched in version 4.0.6.
- Record
CVE-2024-21666- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
Pimcore Customer Data Framework Improper Access Control allows unprivileged user to access customers duplicates list
The Customer Management Framework (CMF) for Pimcore adds functionality for customer data management, segmentation, personalization and marketing automation. An authenticated and unauthorized user can access the list of potential duplicate users and see their data. Permissions are enforced when reaching the /admin/customermanagementframework/duplicates/list endpoint allowing an authenticated user without the permissions to access the endpoint and query the data available there. Unauthorized user(s) can access PII data from customers. This vulnerability has been patched in version 4.0.6.
- Record
CVE-2024-21666- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVGHSA-c38c-c8mh-vq68
Pimcore Customer Data Framework Improper Access Control allows unprivileged user to access customers duplicates list
Summary
An authenticated and unauthorized user can access the list of potential duplicate users and see their data.
Details
Permissions do not seem to be enforced when reaching the /admin/customermanagementframework/duplicates/list endpoint allowing an authenticated user without the permissions to access the endpoint and query the data available there. It seems that the access control is not enforced in this place :
https://github.com/pimcore/customer-data-framework/blob/b4af625ef327c58d05ef7cdf145fa749d2d4195e/src/Controller/Admin/DuplicatesController.php#L43
PoC
In order to reproduce the issue, the following steps can be followed :
- As an administrator : a. Create a role without any permission through Settings → User & Roles → Roles in the administration panel b. Create an user through Settings → User & Roles → Users and assign it the unprivileged role previously created
- Log out the current administrator and log in with this new user
- Access to the following endpoint
https://pimcore_instance/admin/customermanagementframework/duplicates/listand the results will be returned to this unauthorized user
Impact
An unauthorized user can access PII data from customers without being authorized to.
- Record
GHSA-c38c-c8mh-vq68- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pimcore/customer-management-framework-bundlePackagist |
before 4.0.6 | 4.0.6 |
pimcore/customer-management-framework-bundlePackagist |
before 4.0.6, plus listed versions 1.3.172.4.5v1.0.0v1.0.1v1.1.0 Show 45 moreShow lessv1.1.1v1.10.0v1.10.1v1.11.0v1.12.0v1.12.1v1.13.0v1.13.1v1.14.0v1.14.1v1.14.2v1.14.3v1.14.4v1.2.0v1.2.1v1.2.2v1.2.3v1.2.4v1.2.5v1.2.6v1.3.0v1.3.1v1.3.10v1.3.11v1.3.12v1.3.13v1.3.14v1.3.15v1.3.16v1.3.18v1.3.19v1.3.2v1.3.20v1.3.21v1.3.3v1.3.4v1.3.5v1.3.6v1.3.7v1.3.8v1.3.9v1.4.0v1.4.1v1.4.10v1.4.11 |
4.0.6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21666 is a medium vulnerability (CVSS 6.5) in Pimcore Customer Management Framework, published January 10, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. Fixed in pimcore/customer-management-framework-bundle 4.0.6.
References
github.com/pimcore/customer-data-framework/security/advisories/GHSA-c38c-c8mh-vq68
nvd.nist.gov/vuln/detail/CVE-2024-21666
Left out here: 107 versions. The JSON record has them.