{
    "CVE_data_meta": {
        "ASSIGNER": "productcert@siemens.com",
        "ID": "CVE-2021-25661",
        "STATE": "PUBLIC"
    },
    "data_format": "MITRE",
    "data_version": "4.0",
    "data_type": "CVE",
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Siemens",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "SIMATIC HMI Comfort Outdoor Panels V15 7\\\" & 15\\\" (incl. SIPLUS variants)",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V15.1 Update 6"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC HMI Comfort Outdoor Panels V16 7\\\" & 15\\\" (incl. SIPLUS variants)\n",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V16 Update 4"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC HMI Comfort Panels V15 4\\\" - 22\\\" (incl. SIPLUS variants)",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V15.1 Update 6"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC HMI Comfort Panels V16 4\\\" - 22\\\" (incl. SIPLUS variants)\n",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V16 Update 4"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V15.1 Update 6"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F\n",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V16 Update 4"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC WinCC Runtime Advanced V15",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V15.1 Update 6"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC WinCC Runtime Advanced V16",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V16 Update 4"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-788: Access of Memory Location After End of Buffer"
                    }
                ]
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\\\" & 15\\\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\\\" & 15\\\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4\\\" - 22\\\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4\\\" - 22\\\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4). SmartVNC has an out-of-bounds memory access vulnerability that could be triggered on the client side when sending data from the server, which could result in a Denial-of-Service condition."
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12",
                "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf"
            }
        ]
    }
}