Vulnerability · Published Aug 10, 2025 · Assigned by VulDB
CVE-2025-8799Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context 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 identified in Open5GS up to 2.7.5. Affected by this vulnerability is the function amf_npcf_am_policy_control_build_create/amf_nsmf_pdusession_build_create_sm_context of the file src/amf/npcf-build.c of the component AMF. The manipulation leads to denial of service. The attack can be launched 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 patch is named cf63dd63197bf61a4b041aa364ba6a6199ab15e4. 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-319327 | Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of service vdb-entry, technical-description
- VDB-319327 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #626112 | Open5GS <=v2.7.5 Denail of Service third-party-advisory
- https://github.com/open5gs/open5gs/issues/3979 issue-tracking
- https://github.com/open5gs/open5gs/issues/3979#issuecomment-3054369376 issue-tracking
- https://github.com/user-attachments/files/21104682/5g_amf_crash_ran.zip exploit
- https://github.com/open5gs/open5gs/commit/cf63dd63197bf61a4b041aa364ba6a6199ab15e4 patch
- https://github.com/open5gs/open5gs/releases/tag/v2.7.6 patch
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8799 related