CVE-2025-9405
Open5GS gmm-sm.c gmm_state_exception assertion
- State
- Published
- Severity
- 6.9 Medium
- Published
- Aug 25, 2025
- Updated
- Aug 31, 2025
- Reserved
- Aug 24, 2025
Description
A security flaw has been discovered in Open5GS up to 2.7.5. The impacted element is the function gmm_state_exception of the file src/amf/gmm-sm.c. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The patch is identified as 8e5fed16114f2f5e40bee1b161914b592b2b7b8f. Applying a patch is advised to resolve this issue.
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/E:P | 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/E:P/RL:O/RC:C | 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/E:P/RL:O/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-617 Reachable Assertion
Affected Products
| Product | Versions |
|---|---|
Open5GSn/a |
|
References
- VDB-321241 | Open5GS gmm-sm.c gmm_state_exception assertionvdb-entrytechnical-description
- VDB-321241 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #633467 | Open5GS <= v2.7.5 Denial of Servicethird-party-advisory
- https://github.com/open5gs/open5gs/issues/3947issue-tracking
- https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728issue-tracking
- https://github.com/user-attachments/files/21013084/amf_udm-uecm.zipexploit
- https://github.com/open5gs/open5gs/commit/8e5fed16114f2f5e40bee1b161914b592b2b7b8fpatch
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-9405related
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.