Vulnerability · Published Aug 10, 2025 · Assigned by VulDB
CVE-2025-8801Open5GS AMF gmm-sm.c gmm_state_exception denial of service
Medium 5.3
In plain English
A medium-severity security flaw in Open5GS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Official description
A vulnerability was found in Open5GS up to 2.7.5. This affects the function gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The identifier of the patch is f47f2bd4f7274295c5fbb19e2f806753d183d09a. It is recommended to upgrade the affected component.
Affected products (as reported)
Weakness: CWE-404 · Vector: 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
References
- VDB-319329 | Open5GS AMF gmm-sm.c gmm_state_exception denial of service vdb-entry, technical-description
- VDB-319329 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #626118 | Open5GS <=v2.7.5 Denail of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/3977 issue-tracking
- https://github.com/open5gs/open5gs/issues/3977#issuecomment-3052575886 issue-tracking
- https://github.com/user-attachments/files/21095572/nudm-sdm.zip exploit
- https://github.com/open5gs/open5gs/commit/f47f2bd4f7274295c5fbb19e2f806753d183d09a patch
- https://github.com/open5gs/open5gs/releases/tag/v2.7.6 patch
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8801 related