CVE-2025-8801

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 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.

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:P	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:P/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:P/RL:O/RC:C	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/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-319329 | Open5GS AMF gmm-sm.c gmm_state_exception denial of servicevdb-entrytechnical-description
VDB-319329 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #626118 | Open5GS <=v2.7.5 Denail of Servicethird-party-advisory
https://github.com/open5gs/open5gs/issues/3977issue-tracking
https://github.com/open5gs/open5gs/issues/3977#issuecomment-3052575886issue-tracking
https://github.com/user-attachments/files/21095572/nudm-sdm.zipexploit
https://github.com/open5gs/open5gs/commit/f47f2bd4f7274295c5fbb19e2f806753d183d09apatch
https://github.com/open5gs/open5gs/releases/tag/v2.7.6patch
https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-8801related

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