{
    "CVE_data_meta": {
        "ASSIGNER": "cybersecurity@ch.abb.com",
        "DATE_PUBLIC": "2020-08-12T00:00:00.000Z",
        "ID": "CVE-2020-11637",
        "STATE": "PUBLIC",
        "TITLE": "Automation Runtime TFTP Service DoS Vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Automation Runtime",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_value": "4.1x"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.2x",
                                            "version_value": "N4.26"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.3x",
                                            "version_value": "N4.34"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.4x",
                                            "version_value": "F4.45"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.5x",
                                            "version_value": "E4.53"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.6x",
                                            "version_value": "D4.63"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "4.7x",
                                            "version_value": "A4.73"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "B&R"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-401 Improper Release of Memory Before Removing Last Reference"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf",
                "name": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1595163815396-de-original-1.0.pdf"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    }
}