{
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Automation Runtime webserver",
                    "vendor": "B&R Automation",
                    "versions": [
                        {
                            "lessThan": "4.91",
                            "status": "affected",
                            "version": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "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."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "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"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-120",
                            "description": "CWE-120 Buffer Overflow",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2022-05-13T14:23:20",
                "orgId": "2b718523-d88f-4f37-9bbd-300c20644bf9",
                "shortName": "ABB"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Denial of service vulnerability on Automation Runtime webserver",
            "workarounds": [
                {
                    "lang": "en",
                    "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."
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "x_legacyV4Record": {
                "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": [
                        {
                            "name": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf",
                            "refsource": "MISC",
                            "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf"
                        }
                    ]
                },
                "source": {
                    "discovery": "UNKNOWN"
                },
                "work_around": [
                    {
                        "lang": "en",
                        "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."
                    }
                ]
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T18:37:18.446Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_MISC",
                            "x_transferred"
                        ],
                        "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "2b718523-d88f-4f37-9bbd-300c20644bf9",
        "assignerShortName": "ABB",
        "cveId": "CVE-2021-22275",
        "datePublished": "2022-05-13T14:23:20",
        "dateReserved": "2021-01-05T00:00:00",
        "dateUpdated": "2024-08-03T18:37:18.446Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}