CVE-2024-56921

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Source
https://cve.org/CVERecord?id=CVE-2024-56921
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56921.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-56921
Published
2025-02-03T00:00:00Z
Modified
2026-08-12T15:15:47Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Open5gs v2.7.2. InitialUEMessage, Registration request sent at a specific time can crash AMF due to incorrect error handling of gmm_state_exception() function upon receipt of the Nausf_UEAuthentication_Authenticate response.

Database specific 
{
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56921.json"
}
References

Affected packages

Git / github.com/open5gs/open5gs

Affected ranges

Type
GIT
Repo
https://github.com/open5gs/open5gs
Events
Introduced
43fa4857cce8af6b6ec3c8e3b0cbf99444948f76
Fixed
f780f9af45c27b6f49987d96ba71dedb3dd85840
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:open5gs:open5gs:2.7.2:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.7.2"
        },
        {
            "last_affected": "2.7.2"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

2.*
2.7.2
v2.*
v2.7.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56921.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "329928212348722115459337753229020731516",
                "303401551557704871680702613292621985809",
                "28866856782458372153922604732198695952",
                "74156798815881509603091226286188191154"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2024-56921-1156fbde",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840",
        "target": {
            "file": "src/amf/gmm-sm.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "157547459946615711404643052366168327784",
            "length": 5968
        },
        "id": "CVE-2024-56921-ea8114b9",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/f780f9af45c27b6f49987d96ba71dedb3dd85840",
        "target": {
            "file": "src/amf/gmm-sm.c",
            "function": "gmm_state_exception"
        }
    }
]
vanir_signatures_modified 
"2026-08-12T15:15:47Z"