CVE-2025-9405
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 0.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.7% · EPSS, next 30 days
- Weakness
- CWE-617
- Record status
- Analyzed
Affected
- open5gs < 2.7.6
Attack profile CVSS 4.0 · 5.5
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Raw vector
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/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
Fix and advisories
References
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-9405
- https://github.com/open5gs/open5gs/commit/8e5fed16114f2f5e40bee1b161914b592b2b7b8f
- https://github.com/open5gs/open5gs/issues/3947
- https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728
- https://github.com/user-attachments/files/21013084/amf_udm-uecm.zip
- https://vuldb.com/?ctiid.321241
- https://vuldb.com/?id.321241
- https://vuldb.com/?submit.633467
- https://github.com/open5gs/open5gs/issues/3947
- https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728
- https://vuldb.com/?submit.633467