CVE-2025-5520

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-617

Affected software

Vendor	Product	Versions
n/a	Open5GS	2.7.0; 2.7.1; 2.7.2; 2.7.3

References

https://github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884Patch
https://github.com/open5gs/open5gs/issues/3910Exploit, Issue Tracking
https://github.com/open5gs/open5gs/issues/3910#issuecomment-2926719317Exploit, Issue Tracking
https://github.com/user-attachments/files/20362243/Problematic.handover.required.process.zipExploit
https://vuldb.com/?ctiid.310956Permissions Required, VDB Entry
https://vuldb.com/?id.310956Third Party Advisory, VDB Entry
https://vuldb.com/?submit.582269Third Party Advisory, VDB Entry
https://github.com/open5gs/open5gs/issues/3910Exploit, Issue Tracking

Timeline

Published: Jun 3, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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