CVE-2025-5520
Open5GS AMF/MME emm_state_authentication assertion
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jun 3, 2025
- Updated
- Jun 3, 2025
- Reserved
- Jun 3, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 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 | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P | VulDB |
Weaknesses
- CWE-617 Reachable Assertion
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-310956 | Open5GS AMF/MME emm_state_authentication assertionvdb-entrytechnical-description
- VDB-310956 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #582269 | Open5GS <=2.7.3 Reachable Assertionthird-party-advisory
- https://github.com/open5gs/open5gs/issues/3910issue-tracking
- https://github.com/open5gs/open5gs/issues/3910#issuecomment-2926719317issue-tracking
- https://github.com/user-attachments/files/20362243/Problematic.handover.required.process.zipexploit
- https://github.com/open5gs/open5gs/commit/9f5d133657850e6167231527514ee1364d37a884patch
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