{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2011-20001",
        "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "state": "PUBLISHED",
        "assignerShortName": "siemens",
        "dateReserved": "2025-05-22T04:58:58.075Z",
        "datePublished": "2025-10-14T09:14:53.944Z",
        "dateUpdated": "2025-10-14T18:57:37.446Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
                "shortName": "siemens",
                "dateUpdated": "2025-10-14T09:14:53.944Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability has been identified in SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants) (All versions < V2.0.3), SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants) (All versions < V2.0.3). The web server interface of affected devices improperly processes incoming malformed HTTP traffic at high rate. This could allow an unauthenticated remote attacker to force the device entering the stop/defect state, thus creating a denial of service condition."
                }
            ],
            "affected": [
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC S7-1200 CPU V1 family (incl. SIPLUS variants)",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "V2.0.3",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unknown"
                },
                {
                    "vendor": "Siemens",
                    "product": "SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "V2.0.3",
                            "versionType": "custom"
                        }
                    ],
                    "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",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                },
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                        "baseScore": 8.7,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-20",
                            "description": "CWE-20: Improper Input Validation",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://cert-portal.siemens.com/productcert/html/ssa-625789.html"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-10-14T18:57:28.121550Z",
                                "id": "CVE-2011-20001",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-14T18:57:37.446Z"
                }
            }
        ]
    }
}