{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2019-13940",
        "ASSIGNER": "productcert@siemens.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions < V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.1), SIMATIC S7-300 CPU 314C-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315F-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 315T-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317F-2 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317T-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 317TF-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 319-3 PN/DP (All versions < V3.X.17), SIMATIC S7-300 CPU 319F-3 PN/DP (All versions < V3.X.17), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC WinAC RTX 2010 (All versions), SIMATIC WinAC RTX F 2010 (All versions), SIPLUS ET 200S IM151-8 PN/DP CPU (All versions < V3.X.17), SIPLUS ET 200S IM151-8F PN/DP CPU (All versions < V3.X.17), SIPLUS S7-300 CPU 314C-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 315-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 315F-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 317-2 PN/DP (All versions < V3.X.17), SIPLUS S7-300 CPU 317F-2 PN/DP (All versions < V3.X.17). Affected devices contain a vulnerability that could cause a denial of service condition of the web server by sending specially crafted HTTP requests to ports 80/tcp and 443/tcp. Beyond the web service, no other functions or interfaces are affected by the denial of service condition."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400: Uncontrolled Resource Consumption",
                        "cweId": "CWE-400"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Siemens",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "SIMATIC ET 200pro IM154-8 PN/DP CPU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC ET 200pro IM154-8F PN/DP CPU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC ET 200pro IM154-8FX PN/DP CPU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC ET 200S IM151-8 PN/DP CPU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC ET 200S IM151-8F PN/DP CPU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-1200 CPU family (incl. SIPLUS variants)",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V4.1",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 314C-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 315-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 315F-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 315T-3 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 317-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 317F-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 317T-3 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 317TF-3 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 319-3 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-300 CPU 319F-3 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC WinAC RTX 2010",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC WinAC RTX F 2010",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS ET 200S IM151-8 PN/DP CPU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS ET 200S IM151-8F PN/DP CPU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS S7-300 CPU 314C-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS S7-300 CPU 315-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS S7-300 CPU 315F-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS S7-300 CPU 317-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIPLUS S7-300 CPU 317F-2 PN/DP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V3.X.17",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf",
                "refsource": "MISC",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf"
            }
        ]
    },
    "impact": {
        "cvss": [
            {
                "version": "3.1",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
                "baseScore": 5.3,
                "baseSeverity": "MEDIUM"
            }
        ]
    }
}