CVE-2025-8803

Open5GS AMF gmm-sm.c gmm_state_exception denial of service

State: Published
Severity: 6.9 Medium
Published: Aug 10, 2025
Updated: Aug 15, 2025
Reserved: Aug 9, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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:X	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C	VulDB
3.0	5.3 Medium	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	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-404 Denial of Service

Affected Products

Product	Versions
Open5GSn/a	2.7.0Affected 2.7.1Affected 2.7.2Affected 2.7.3Affected 2.7.4Affected 2.7.5Affected 2.7.6Not affected

References

VDB-319332 | Open5GS AMF gmm-sm.c gmm_state_exception denial of servicevdb-entrytechnical-description
VDB-319332 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #626123 | Open5GS <= v2.7.5 Denial of Servicethird-party-advisory
https://github.com/open5gs/open5gs/issues/3948issue-tracking
https://github.com/open5gs/open5gs/issues/3948#issuecomment-3030223641issue-tracking
https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30capatch
https://github.com/open5gs/open5gs/releases/tag/v2.7.6patch
https://github.com/ZHENGHAOHELLO/BugReportrelated

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.