CVE-2025-8803 - CVE House

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Status published Medium CVE-2025-8803

Open5GS AMF gmm-sm.c gmm_state_exception denial of service

6.9 CVSS

Vulnerability Description

A vulnerability has been found in Open5GS up to 2.7.5. Affected is the function gmm_state_de_registered/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 launch the attack remotely. Upgrading to version 2.7.6 is able to address this issue. The name of the patch is 1f30edac27f69f61cff50162e980fe58fdeb30ca. 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:

xiaohan zheng (VulDB User)
xiaohan zheng (VulDB User)

References

More from n/a

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Affected Vendor

n/a

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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:X/RL:O/RC:C

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1498 Network Denial of Service

T1562 Impair Defenses

Defense Evasion

T1190 Exploit Public-Facing Application

T1046 Network Service Discovery