How severe is CVE-2025-1893?

CVE-2025-1893 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-1893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1893?

CVE-2025-1893 affects Open5gs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1893?

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

Does CVE-2025-1893 have an EU (EUVD) identifier?

Yes. CVE-2025-1893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7419.

When was CVE-2025-1893 published?

CVE-2025-1893 was published on 2025-03-04 and last updated on 2026-06-17.

CVE-2025-1893

CVE-2025-1893 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 4.3. 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 4.3)
CVSS v2: 4.0
CVSS v4: 5.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7419
Weakness: CWE-404
Affected product: Open5gs
Published: 2025-03-04
Last modified: 2026-06-17

Description

A vulnerability was found in Open5GS up to 2.7.2. It has been declared as problematic. Affected by this vulnerability is the function gmm_state_authentication of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. This vulnerability allows a single UE to crash the AMF, resulting in the complete loss of mobility and session management services and causing a network-wide outage. All registered UEs will lose connectivity, and new registrations will be blocked until the AMF is restarted, leading to a high availability impact. The exploit has been disclosed to the public and may be used. The patch is named e31e9965f00d9c744a7f728497cb4f3e97744ee8. It is recommended to apply a patch to fix this issue.

Frequently asked questions

What is CVE-2025-1893?: A vulnerability was found in Open5GS up to 2.7.2. It has been declared as problematic. Affected by this vulnerability is the function gmm_state_authentication of the file src/amf/gmm-sm.c of the component AMF. The manipulation leads to denial of service. The attack can be launched remotely. This vulnerability allows a single UE to crash the AMF, resulting in the complete loss of mobility and session management services and causing a network-wide outage. All registered UEs will lose connectivity, and new registrations will be blocked until the AMF is restarted, leading to a high availability impact. The exploit has been disclosed to the public and may be used. The patch is named e31e9965f00d9c744a7f728497cb4f3e97744ee8. It is recommended to apply a patch to fix this issue.
How severe is CVE-2025-1893?: CVE-2025-1893 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-1893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1893?: CVE-2025-1893 affects Open5gs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1893 have an EU (EUVD) identifier?: Yes. CVE-2025-1893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7419.
When was CVE-2025-1893 published?: CVE-2025-1893 was published on 2025-03-04 and last updated on 2026-06-17.

References

Affected products (1)

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

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