How severe is CVE-2025-8803?

CVE-2025-8803 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-8803 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8803?

CVE-2025-8803 affects Open5gs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8803?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-8803 have an EU (EUVD) identifier?

Yes. CVE-2025-8803 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24085.

When was CVE-2025-8803 published?

CVE-2025-8803 was published on 2025-08-10 and last updated on 2026-06-17.

CVE-2025-8803

CVE-2025-8803 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 6.9
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24085
Weakness: CWE-404
Affected product: Open5gs
Published: 2025-08-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-8803?: CVE-2025-8803 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-8803 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8803?: CVE-2025-8803 affects Open5gs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8803?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8803 have an EU (EUVD) identifier?: Yes. CVE-2025-8803 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24085.
When was CVE-2025-8803 published?: CVE-2025-8803 was published on 2025-08-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

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