CVE-2025-8799

Public Exploit
Open5GS AMF npcf-build.c amf_nsmf_pdusession_build_create_sm_context denial of service

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.

Category

5.5
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: n/a Open5GS
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.319327 third party advisory vdb entry technical description
https://vuldb.com/?ctiid.319327 vdb entry permissions required signature
https://vuldb.com/?submit.626112 third party advisory vdb entry
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 release notes patch
https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8799 related

Frequently Asked Questions

What is the severity of CVE-2025-8799?
CVE-2025-8799 has been scored as a medium severity vulnerability.
How to fix CVE-2025-8799?
To fix CVE-2025-8799, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-8799 being actively exploited in the wild?
It is possible that CVE-2025-8799 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-8799?
CVE-2025-8799 affects n/a Open5GS.
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