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.
{
"cna_assigner": "VulDB",
"cwe_ids": [
"CWE-404"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1893.json"
}{
"cpe": "cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "2.7.2"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1893.json"
[
{
"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"
}
}
]
"2026-08-12T15:13:19Z"