Medium severity5.3NVD Advisory· Published Jun 3, 2025· Updated Jun 17, 2026

CVE-2025-5520

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Open5gs/Open5gsv53 versions
2.7.0+ 2 more
- (no CPE)range: 2.7.0
- (no CPE)range: <=2.7.3
- cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*range: >=2.7.0,<=2.7.3

Patches

Vulnerability mechanics

References

github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884nvdPatch
github.com/open5gs/open5gs/issues/3910nvdExploitIssue Tracking
github.com/open5gs/open5gs/issues/3910nvdExploitIssue Tracking
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdPermissions RequiredVDB Entry

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