What is CVE-2025-8803?

CVE-2025-8803 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2025-08-10.

How severe is CVE-2025-8803?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2025-8803 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Open5gs

CVE-2025-8803

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.

Published 2025-08-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.006 (45.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Open5gs
Open5gs — versions 2.7.0, 2.7.1, 2.7.2

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/open5gs/open5gs/issues/3948 (issue-tracking, Issue Tracking)
github.com/open5gs/open5gs/issues/3948 (issue-tracking, Issue Tracking)
github.com/open5gs/open5gs/commit/1f30edac27f69f61cff50162e980fe58fdeb30ca (Patch, patch)
github.com/open5gs/open5gs/releases/tag/v2.7.6 (Release Notes, patch)
github.com/ZHENGHAOHELLO/BugReport (related)

Frequently asked questions

What is CVE-2025-8803?: CVE-2025-8803 is a medium-severity vulnerability in Open5gs, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2025-08-10.
How severe is CVE-2025-8803?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-8803 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.