CVE-2025-8799

Name: CVE-2025-8799
Creator: NVD / NIST
Published: 2025-08-10T08:15:24.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.67%

Last modified Jun 17, 2026

CVE-2025-8799 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.67% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

5.5/10

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

EPSS Probability

0.67%

47.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Open5gs	Open5gs	< 2.7.6

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

Timeline

Published: Aug 10, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-8799?

How severe is CVE-2025-8799?

CVE-2025-8799 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8799?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8799?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST