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
2026-10-20T14:30:20Z
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 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:open5gs:open5gs:2.4.0:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "2.4.0"
                },
                {
                    "last_affected":  "2.4.0"
                }
            ],
            "source":  "CPE_STRING"
        },
        {
            "range":  [
                {
                    "fixed":  "a0f2535cb5a29bba6dbbccdb90c74ccd770cc700"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

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 
"2026-10-20T14:30:20Z"