Open5GS AMF/MME emm_state_authentication assertion
Vulnerability Description
A vulnerability was found in Open5GS up to 2.7.3. It has been classified as problematic. Affected is the function gmm_state_authentication/emm_state_authentication of the component AMF/MME. The manipulation leads to reachable assertion. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 9f5d133657850e6167231527514ee1364d37a884. It is recommended to apply a patch to fix this issue. This is a different issue than CVE-2025-1893.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-5520
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- SQ0409 (VulDB User)
References
- https://vuldb.com/?id.310956
- https://vuldb.com/?ctiid.310956
- https://vuldb.com/?submit.582269
- https://github.com/open5gs/open5gs/issues/3910
- https://github.com/open5gs/open5gs/issues/3910#issuecomment-2926719317
- https://github.com/user-attachments/files/20362243/Problematic.handover.required.process.zip
- https://github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884
