CVEvulnerability
CVE-2025-5520
6.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-06-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.9 MEDIUM — CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-617
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.
Affected configurations
• open5gs open5gs (>= 2.7.0 <= 2.7.3)
Related
Weakness · CWE (1)
- CWE-617 Reachable Assertion weakness
References
- https://github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884 Patch
- https://github.com/open5gs/open5gs/issues/3910 Exploit, Issue Tracking
- https://github.com/open5gs/open5gs/issues/3910#issuecomment-2926719317 Exploit, Issue Tracking
- https://github.com/user-attachments/files/20362243/Problematic.handover.required.process.zip Exploit
- https://vuldb.com/?ctiid.310956 Permissions Required, VDB Entry
- https://vuldb.com/?id.310956 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.582269 Third Party Advisory, VDB Entry
- https://github.com/open5gs/open5gs/issues/3910 Exploit, Issue Tracking