cvelist/2021/22xxx/CVE-2021-22275.json

{
    "CVE_data_meta": {
        "ASSIGNER": "cybersecurity@ch.abb.com",
        "ID": "CVE-2021-22275",
        "STATE": "PUBLIC",
        "TITLE": "Denial of service vulnerability on Automation Runtime webserver"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Automation Runtime webserver",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "4.91"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "B&R Automation"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Buffer Overflow vulnerability in B&R Automation Runtime webserver allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "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:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-120 Buffer Overflow"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf",
                "name": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "B&R recommends the following specific workarounds and mitigations:\nThe access to the Automation Runtime webserver should be restricted to legitimate network partners, using e.g. a sufficient Firewall setup and robust network segmentation. \nB&R recommends deactivating Automation Runtime webserver when not needed."
        }
    ]
}