CVE-2025-8799
A vulnerability was identified in Open5GS up to 2.7.5.
Does this matter?
Lower severity and a low EPSS score (0.76%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 5.5 MEDIUMCVSS: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/M
- EPSS
- 0.76% probability · 55th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Affected
- open5gs/open5gs
- Source
- cna@vuldb.com
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8799
- https://github.com/open5gs/open5gs/commit/cf63dd63197bf61a4b041aa364ba6a6199ab15e4Patch
- https://github.com/open5gs/open5gs/issues/3979Issue Tracking
- https://github.com/open5gs/open5gs/issues/3979#issuecomment-3054369376Issue Tracking
- https://github.com/open5gs/open5gs/releases/tag/v2.7.6Release Notes
- https://github.com/user-attachments/files/21104682/5g_amf_crash_ran.zipExploit
- https://vuldb.com/?ctiid.319327Permissions Required, VDB Entry
- https://vuldb.com/?id.319327Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.626112Third Party Advisory, VDB Entry
- https://github.com/open5gs/open5gs/issues/3979Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.