Vulnerability Monitor

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CVE-2025-8799

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 1 product from open5gs organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2025, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2025-08-10T08:15:24.660

Last Modified

2025-08-15T14:15:29.233

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-404

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	open5gs	open5gs	< 2.7.6	Yes

References

https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8799 ([email protected])
https://github.com/open5gs/open5gs/commit/cf63dd63197bf61a4b041aa364ba6a6199ab15e4 Patch ([email protected])
https://github.com/open5gs/open5gs/issues/3979 Issue Tracking ([email protected])
https://github.com/open5gs/open5gs/issues/3979#issuecomment-3054369376 Issue Tracking ([email protected])
https://github.com/open5gs/open5gs/releases/tag/v2.7.6 Release Notes ([email protected])
https://github.com/user-attachments/files/21104682/5g_amf_crash_ran.zip Exploit ([email protected])
https://vuldb.com/?ctiid.319327 Permissions Required, VDB Entry ([email protected])
https://vuldb.com/?id.319327 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.626112 Third Party Advisory, VDB Entry ([email protected])
https://github.com/open5gs/open5gs/issues/3979 Issue Tracking (134c704f-9b21-4f2e-91b3-4a467353bcc0)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For open5gs's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.