cvelist/2018/4xxx/CVE-2018-4850.json

{
    "CVE_data_meta": {
        "ASSIGNER": "productcert@siemens.com",
        "DATE_PUBLIC": "2018-05-15T00:00:00",
        "ID": "CVE-2018-4850",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below, SIMATIC S7-400 (incl. F) CPU hardware version 5.0, SIMATIC S7-400H CPU hardware version 4.5 and below",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below : All versions"
                                        },
                                        {
                                            "version_value": "SIMATIC S7-400 (incl. F) CPU hardware version 5.0 : All firmware versions < V5.2"
                                        },
                                        {
                                            "version_value": "SIMATIC S7-400H CPU hardware version 4.5 and below : All versions"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Siemens AG"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20: Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf",
                "refsource": "CONFIRM",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf"
            },
            {
                "name": "104217",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/104217"
            },
            {
                "name": "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications",
                "refsource": "CONFIRM",
                "url": "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications"
            }
        ]
    }
}