CVE-2025-1893

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Source
https://cve.org/CVERecord?id=CVE-2025-1893
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1893.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-1893
Published
2025-03-04T00:00:13Z
Modified
2026-10-21T09:04:21Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Open5GS AMF gmm-sm.c gmm_state_authentication denial of service
Details

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.

Database specific 
{
    "cna_assigner":  "VulDB",
    "cwe_ids":  [
        "CWE-404"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1893.json"
}
References

Affected packages

Git / github.com/open5gs/open5gs

Affected ranges

Type
GIT
Repo
https://github.com/open5gs/open5gs
Events
Introduced
83e35bb2de7e67646fdba849580184422b10006a
Fixed
e31e9965f00d9c744a7f728497cb4f3e97744ee8
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "2.7.0"
                },
                {
                    "last_affected":  "2.7.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2.7.1"
                },
                {
                    "last_affected":  "2.7.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "2.7.2"
                },
                {
                    "last_affected":  "2.7.2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "fixed":  "e31e9965f00d9c744a7f728497cb4f3e97744ee8"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

2.*
2.7.0
2.7.1
2.7.2
v2.*
v2.7.0
v2.7.1
v2.7.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1893.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "174147939507531387888163707997447221142",
            "length":  8015
        },
        "id":  "CVE-2025-1893-92a56add",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/open5gs/open5gs/commit/e31e9965f00d9c744a7f728497cb4f3e97744ee8",
        "target":  {
            "file":  "src/amf/gmm-sm.c",
            "function":  "gmm_state_authentication"
        }
    }
]
vanir_signatures_modified 
"2026-10-21T09:04:21Z"