CVE-2021-45462

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Source
https://cve.org/CVERecord?id=CVE-2021-45462
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45462.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-45462
Published
2021-12-23T04:15:09Z
Modified
2026-08-07T17:03:10Z
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

In Open5GS 2.4.0, a crafted packet from UE can crash SGW-U/UPF.

References

Affected packages

Git / github.com/open5gs/open5gs

Affected ranges

Type
GIT
Repo
https://github.com/open5gs/open5gs
Events
Introduced
27b87c1110d8d5ec0de5e357f561082a0a9482c1
Last Affected
27b87c1110d8d5ec0de5e357f561082a0a9482c1
Fixed
a0f2535cb5a29bba6dbbccdb90c74ccd770cc700
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:open5gs:open5gs:2.4.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.4.0"
        },
        {
            "last_affected": "2.4.0"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

2.*
2.4.0
v2.*
v2.4.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45462.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "66498646289301510419849744843098299667",
            "length": 5852
        },
        "id": "CVE-2021-45462-108d25fa",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700",
        "target": {
            "file": "src/upf/gtp-path.c",
            "function": "_gtpv1_u_recv_cb"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "221589819375939541502721851894602973056",
            "length": 2842
        },
        "id": "CVE-2021-45462-7ee42e6e",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700",
        "target": {
            "file": "src/smf/gtp-path.c",
            "function": "_gtpv1_u_recv_cb"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "108230382947362361426818551219694048171",
            "length": 4038
        },
        "id": "CVE-2021-45462-96f5d491",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open5gs/open5gs/commit/a0f2535cb5a29bba6dbbccdb90c74ccd770cc700",
        "target": {
            "file": "src/sgwu/gtp-path.c",
            "function": "_gtpv1_u_recv_cb"
        }
    }
]
vanir_signatures_modified 
"2026-08-07T17:03:10Z"