{
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
                "shortName": "siemens",
                "dateUpdated": "2023-04-11T09:01:53.394Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets over port 102/tcp. A restart of the affected device is needed to restore normal operations."
                }
            ],
            "affected": [
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC Drive Controller family",
                    "versions": [
                        {
                            "version": "All versions >= V2.9.2 < V2.9.4",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants)",
                    "versions": [
                        {
                            "version": "All versions >= V21.9 < V21.9.4",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC S7-1200 CPU family (incl. SIPLUS variants)",
                    "versions": [
                        {
                            "version": "All versions >= V4.5.0 < V4.5.2",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)",
                    "versions": [
                        {
                            "version": "All versions >= V2.9.2 < V2.9.4",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC S7-1500 Software Controller",
                    "versions": [
                        {
                            "version": "All versions >= V21.9 < V21.9.4",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC S7-PLCSIM Advanced",
                    "versions": [
                        {
                            "version": "All versions >= V4.0 < V4.0 SP1",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "SIPLUS TIM 1531 IRC",
                    "versions": [
                        {
                            "version": "All versions < V2.3.6",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "TIM 1531 IRC",
                    "versions": [
                        {
                            "version": "All versions < V2.3.6",
                            "status": "affected"
                        }
                    ],
                    "defaultStatus": "unknown"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-672",
                            "description": "CWE-672: Operation on a Resource after Expiration or Release",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf"
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T01:16:03.183Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-838121.pdf",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-04-18T15:12:41.029825Z",
                                "id": "CVE-2021-37185",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-04-18T18:33:19.110Z"
                }
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        ]
    },
    "cveMetadata": {
        "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "assignerShortName": "siemens",
        "cveId": "CVE-2021-37185",
        "datePublished": "2022-02-09T15:16:44.000Z",
        "dateReserved": "2021-07-21T00:00:00.000Z",
        "dateUpdated": "2025-04-18T18:33:19.110Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}