01 Record
CVE-2025-8799
Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of service
MediumPUBLISHEDCNA: VulDB
CNA base score6.9 CVSS v4.0CVSS: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
02 Description
Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of service
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.75% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 54.9% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS 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
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-08-10 07:32Z1 YR AGO
- Last updated
- 2025-08-15 13:43Z1 YR AGO
- Reserved
- 2025-08-09
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS 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
- Weaknesses
- CWE-404Improper Resource Shutdown or ReleaseClass
- Data version
- 5.1
- Document digest
- d866fff57e22094249f61cbc9e8633e9af3b7f1d07f9dcd08d43d02166f6a94a
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-319327 | Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of servicehttps://vuldb.com/?id.319327
- vuldb.comVDB-319327 | CTI Indicators (IOB, IOC, TTP, IOA)https://vuldb.com/?ctiid.319327
- vuldb.comSubmit #626112 | Open5GS <=v2.7.5 Denail of Servicehttps://vuldb.com/?submit.626112
- github.comhttps://github.com/open5gs/open5gs/issues/3979
- github.comhttps://github.com/open5gs/open5gs/issues/3979#issuecomment-3054369376
- github.comhttps://github.com/user-attachments/files/21104682/5g_amf_crash_ran.zip
- github.comhttps://github.com/open5gs/open5gs/commit/cf63dd63197bf61a4b041aa364ba6a6199ab15e4
- github.comhttps://github.com/open5gs/open5gs/releases/tag/v2.7.6
- github.comhttps://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8799