CVE-2025-5520
A vulnerability was found in Open5GS up to 2.7.3.
Does this matter?
Lower severity and a low EPSS score (0.85%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 6.9 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- open5gs/open5gs
- Source
- cna@vuldb.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.