CVE-2025-8803

Name: CVE-2025-8803
Creator: NVD / NIST
Published: 2025-08-10T10:15:25.447+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.9/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2025-8803 is a medium-severity vulnerability rated 6.9/10 on the CVSS scale. 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. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

6.9/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.54%

41.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

Affected Software

Vendor	Product	Versions
Open5gs	Open5gs	< 2.7.6

References

https://github.com/ZHENGHAOHELLO/BugReport
https://github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30caPatch
https://github.com/open5gs/open5gs/issues/3948Issue Tracking
https://github.com/open5gs/open5gs/issues/3948#issuecomment-3030223641Issue Tracking
https://github.com/open5gs/open5gs/releases/tag/v2.7.6Release Notes
https://vuldb.com/?ctiid.319332Permissions Required, VDB Entry
https://vuldb.com/?id.319332Third Party Advisory, VDB Entry
https://vuldb.com/?submit.626123Third Party Advisory, VDB Entry
https://github.com/open5gs/open5gs/issues/3948Issue Tracking

Timeline

Published: Aug 10, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-8803?

How severe is CVE-2025-8803?

CVE-2025-8803 has a CVSS score of 6.9/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8803?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8803?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST