{
    "CVE_data_meta": {
        "ASSIGNER": "productcert@siemens.com",
        "ID": "CVE-2021-31340",
        "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 RF166C",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V1.1 and < V1.3.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC RF185C",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V1.1 and < V1.3.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC RF186C",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V1.1 and < V1.3.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC RF186CI",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V1.1 and < V1.3.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC RF188C",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V1.1 and < V1.3.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC RF188CI",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V1.1 and < V1.3.2"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC RF360R",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions < V2.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF610R CMIIT",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF610R ETSI",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF610R FCC",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF615R CMIIT",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF615R ETSI",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF615R FCC",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF650R ARIB",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF650R CMIIT",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF650R ETSI",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF650R FCC",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF680R ARIB",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF680R CMIIT",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF680R ETSI",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF680R FCC",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF685R ARIB",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF685R CMIIT",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF685R ETSI",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "SIMATIC Reader RF685R FCC",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "All versions > V3.0 < V4.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400: Uncontrolled Resource Consumption"
                    }
                ]
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability has been identified in SIMATIC RF166C (All versions > V1.1 and < V1.3.2), SIMATIC RF185C (All versions > V1.1 and < V1.3.2), SIMATIC RF186C (All versions > V1.1 and < V1.3.2), SIMATIC RF186CI (All versions > V1.1 and < V1.3.2), SIMATIC RF188C (All versions > V1.1 and < V1.3.2), SIMATIC RF188CI (All versions > V1.1 and < V1.3.2), SIMATIC RF360R (All versions < V2.0), SIMATIC Reader RF610R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF610R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF610R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF615R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF615R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF615R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF650R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF650R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF650R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF680R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF680R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF680R FCC (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ARIB (All versions > V3.0 < V4.0), SIMATIC Reader RF685R CMIIT (All versions > V3.0 < V4.0), SIMATIC Reader RF685R ETSI (All versions > V3.0 < V4.0), SIMATIC Reader RF685R FCC (All versions > V3.0 < V4.0). Affected devices do not properly handle large numbers of incoming connections. An attacker may leverage this to cause a Denial-of-Service situation."
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-787292.pdf",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-787292.pdf"
            }
        ]
    }
}