CVE-2025-5520

03.06.2025, 18:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	5.3 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
VulDB	CNA	5.3 MEDIUM				CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA-ADP	ADP	---				---

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: 27%

Common Weakness Enumeration

CWE-617 - Reachable Assertion
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

References

https://github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884

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://vuldb.com/?ctiid.310956

https://vuldb.com/?id.310956

https://vuldb.com/?submit.582269

https://github.com/open5gs/open5gs/issues/3910