Vulnerability Description
free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 have a NULL Pointer Dereference vulnerability. Remote unauthenticated attackers can trigger a service panic (Denial of Service) by sending a crafted PUT request with an unexpected ueId, crashing the UDM service. All deployments of free5GC using the UDM component may be affected. free5gc/udm pull request 76 contains a fix for the issue. No direct workaround is available at the application level. Applying the official patch is recommended.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Free5Gc | Udm | <= 1.4.1 |
Related Weaknesses (CWE)
References
- https://github.com/free5gc/free5gc/issues/752ExploitIssue TrackingPatch
- https://github.com/free5gc/free5gc/security/advisories/GHSA-v8cv-qvf6-9rpmPatchVendor Advisory
- https://github.com/free5gc/udm/commit/504b14458d156558b3c0ade7107b86b3d5e72998Patch
- https://github.com/free5gc/udm/pull/76Issue Tracking
FAQ
What is CVE-2025-69252?
CVE-2025-69252 is a vulnerability with a CVSS score of 7.5 (HIGH). free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile core networks. Versions up to and including 1.4.1 have a NULL Pointer Dereference ...
How severe is CVE-2025-69252?
CVE-2025-69252 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-69252?
Check the references section above for vendor advisories and patch information. Affected products include: Free5Gc Udm.