CVE-2022-21159

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Source

https://cve.org/CVERecord?id=CVE-2022-21159

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21159.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2022-21159

Published

2022-04-15T16:00:21.545Z

Modified

2026-08-12T12:59:16.164930Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0. A specially-crafted series of network requests can lead to denial of service. An attacker can send a sequence of malformed iec61850 messages to trigger this vulnerability.

Database specific

{
    "cna_assigner": "talos",
    "cwe_ids": [
        "CWE-835"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21159.json"
}

References

Affected packages

Git / github.com/mz-automation/libiec61850

Affected ranges

Type

GIT

Repo

https://github.com/mz-automation/libiec61850

Events

Introduced

fcefc746fea286aeaa40d2f62240216da81c85e5

Fixed

cfa94cbf10302bedc779703f874ee2e8387a0721

Database specific

Show details

{
    "extracted_events": [
        {
            "introduced": "1.5.0"
        },
        {
            "last_affected": "1.5.0"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:mz-automation:libiec61850:1.5.0:*:*:*:*:*:*:*"
}

Affected versions

1.*

1.5.0

v1.*

v1.5.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-21159.json"

vanir_signatures

[
    {
        "target": {
            "file": "src/mms/iso_presentation/iso_presentation.c"
        },
        "deprecated": false,
        "source": "https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721",
        "id": "CVE-2022-21159-6c22e527",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "25213957932334231058944007225823008941",
                "67471863485973758694629299555634988998",
                "141217303716298442094824262701757012882",
                "23607064311548028137475690767052629718"
            ]
        },
        "signature_type": "Line"
    },
    {
        "target": {
            "function": "parseNormalModeParameters",
            "file": "src/mms/iso_presentation/iso_presentation.c"
        },
        "deprecated": false,
        "source": "https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721",
        "id": "CVE-2022-21159-f6e94241",
        "signature_version": "v1",
        "digest": {
            "length": 1951.0,
            "function_hash": "30939351653663780092954731091689706048"
        },
        "signature_type": "Function"
    }
]

vanir_signatures_modified

"2026-08-12T12:59:16Z"