CVE-2025-8801 - CVE House
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Status published Medium CVE-2025-8801

Open5GS AMF gmm-sm.c gmm_state_exception denial of service

Vulnerability Description

A vulnerability was found in Open5GS up to 2.7.5. This affects the function gmm_state_exception of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. It is possible to initiate the attack 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 identifier of the patch is f47f2bd4f7274295c5fbb19e2f806753d183d09a. It is recommended to upgrade the affected component.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • lixxxiang (VulDB User)
  • lixxxiang (VulDB User)

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Affected Vendor

Affected Software

Open5GS
Vulnerable Versions:
2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6

Timeline

Official Publish: August 10th, 2025
Last Modified: August 15th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Weaknesses (CWE)

CWE-404

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1562 Impair Defenses
Defense Evasion
T1190 Exploit Public-Facing Application
Initial Access
T1046 Network Service Discovery
Discovery