{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-22281",
        "ASSIGNER": "cybersecurity@ch.abb.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": ": Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.\n\n"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-23: Relative Path Traversal",
                        "cweId": "CWE-23"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "B&R Industrial Automation",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Automation Studio",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "4.0",
                                            "version_value": "4.12"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Studio_Project_Import-b90d2f42.pdf",
                "refsource": "MISC",
                "name": "https://www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Studio_Project_Import-b90d2f42.pdf"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "UNKNOWN"
    },
    "work_around": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "\n\nB&amp;R recommends the following specific workarounds and mitigations:\nOpen only B&amp;R Automation Studio project files from trusted source.\nUse encrypted export of B&amp;R Automation Studio project files, thus only allowing access to legitimate \nusers.\nProtect locations where B&amp;R Automation Studio projects are stored from unauthorized access. This \nincludes PLCs, when using the feature to back up project source files on target.\nDo not run B&amp;R Automation Studio in elevated mode.\nMake sure, that Windows User Access Control (UAC) is enabled.\nVerify integrity of B&amp;R Automation Studio project files, which are exchanged via potentially insecure \nchannels\nIn general, B&amp;R recommends implementing the Cyber Security guidelines\n\n<br>"
                }
            ],
            "value": "\nB&R recommends the following specific workarounds and mitigations:\nOpen only B&R Automation Studio project files from trusted source.\nUse encrypted export of B&R Automation Studio project files, thus only allowing access to legitimate \nusers.\nProtect locations where B&R Automation Studio projects are stored from unauthorized access. This \nincludes PLCs, when using the feature to back up project source files on target.\nDo not run B&R Automation Studio in elevated mode.\nMake sure, that Windows User Access Control (UAC) is enabled.\nVerify integrity of B&R Automation Studio project files, which are exchanged via potentially insecure \nchannels\nIn general, B&R recommends implementing the Cyber Security guidelines\n\n\n"
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "B&R would like to thank the following for working with us to help protect our customers: Mr. Mashav Sapir of Claroty, Mr. Andrew Hofmans"
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "NONE",
                "baseScore": 6.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N",
                "version": "3.1"
            }
        ]
    }
}