{
    "document": {
        "category": "csaf_security_advisory",
        "csaf_version": "2.0",
        "tracking": {
            "generator": {
                "date": "2020-12-17T09:02:00.000Z",
                "engine": {
                    "version": "2.5.11",
                    "name": "Secvisogram"
                }
            },
            "id": "VDE-2020-045",
            "version": "3",
            "status": "final",
            "aliases": [
                "VDE-2020-045"
            ],
            "revision_history": [
                {
                    "number": "1",
                    "summary": "initial revision",
                    "date": "2020-12-17T09:02:00.000Z"
                },
                {
                    "date": "2024-11-06T11:27:01.000Z",
                    "number": "2",
                    "summary": "Fix: added self-reference"
                },
                {
                    "number": "3",
                    "summary": "Fix: version space, added distribution",
                    "date": "2025-05-14T12:53:43.000Z"
                }
            ],
            "current_release_date": "2025-05-14T12:53:43.000Z",
            "initial_release_date": "2020-12-17T09:02:00.000Z"
        },
        "lang": "en-GB",
        "title": "WAGO: Command Injection Vulnerability in I/O-Check Service of multiple products",
        "acknowledgments": [
            {
                "organization": "CERTVDE",
                "urls": [
                    "https://certvde.com"
                ],
                "summary": "coordination"
            }
        ],
        "distribution": {
            "tlp": {
                "label": "WHITE",
                "url": "https://www.first.org/tlp/"
            }
        },
        "notes": [
            {
                "category": "summary",
                "title": "Summary",
                "text": "The reported vulnerability allows an attacker who has network access to the device to execute code with specially crafted packets."
            },
            {
                "category": "description",
                "title": "Impact",
                "text": "By exploiting the described vulnerabilities the attacker potentially is able to manipulate or disrupt the device."
            },
            {
                "category": "description",
                "title": "Mitigation",
                "text": "* Disable I/O-Check service \n* Restrict network access to the device. \n* Do not directly connect the device to the internet.\n"
            },
            {
                "category": "description",
                "title": "Remediation",
                "text": "The I/O-Check service protocol is only needed during installation and commissioning, not during normal operations. It is highly recommended to disable the I/O-Check service after commissioning. This is the easiest and securest way to protect your device from the listed vulnerabilities.\n\nRegardless to the action described above, the vulnerability has been fixed in FW11, released in December 2017."
            }
        ],
        "publisher": {
            "category": "vendor",
            "contact_details": "psirt@wago.com",
            "name": "WAGO GmbH & Co. KG",
            "namespace": "https://www.wago.com/psirt"
        },
        "references": [
            {
                "category": "external",
                "summary": "WAGO GmbH & Co. KG",
                "url": "https://www.wago.com/psirt"
            },
            {
                "category": "external",
                "summary": "CERT@VDE Security Advisories",
                "url": "https://certvde.com/en/advisories/vendor/wago/"
            },
            {
                "category": "self",
                "url": "https://certvde.com/en/advisories/VDE-2020-045/",
                "summary": "VDE-2020-045: WAGO: Command Injection Vulnerability in I/O-Check Service of multiple products - HTML"
            },
            {
                "summary": "VDE-2020-045: WAGO: Command Injection Vulnerability in I/O-Check Service of multiple products - CSAF",
                "url": "https://wago.csaf-tp.certvde.com/.well-known/csaf/white/2020/vde-2020-045.json",
                "category": "self"
            }
        ]
    },
    "product_tree": {
        "branches": [
            {
                "category": "vendor",
                "name": "WAGO GmbH & Co. KG",
                "branches": [
                    {
                        "category": "product_family",
                        "name": "Hardware",
                        "branches": [
                            {
                                "category": "product_name",
                                "name": "750-81xx/xxx-xxx",
                                "product": {
                                    "name": "750-81xx/xxx-xxx",
                                    "product_id": "CSAFPID-11001",
                                    "product_identification_helper": {
                                        "model_numbers": [
                                            "750-81xx/xxx-xxx"
                                        ]
                                    }
                                }
                            },
                            {
                                "category": "product_name",
                                "name": "750-82xx/xxx-xxx",
                                "product": {
                                    "name": "750-82xx/xxx-xxx",
                                    "product_id": "CSAFPID-11002",
                                    "product_identification_helper": {
                                        "model_numbers": [
                                            "750-82xx/xxx-xxx"
                                        ]
                                    }
                                }
                            },
                            {
                                "category": "product_name",
                                "name": "762-4xxx",
                                "product": {
                                    "name": "762-4xxx",
                                    "product_id": "CSAFPID-11003",
                                    "product_identification_helper": {
                                        "model_numbers": [
                                            "762-4xxx"
                                        ]
                                    }
                                }
                            },
                            {
                                "category": "product_name",
                                "name": "762-5xxx",
                                "product": {
                                    "name": "762-5xxx",
                                    "product_id": "CSAFPID-11004",
                                    "product_identification_helper": {
                                        "model_numbers": [
                                            "762-5xxx"
                                        ]
                                    }
                                }
                            },
                            {
                                "category": "product_name",
                                "name": "762-6xxx",
                                "product": {
                                    "name": "762-6xxx",
                                    "product_id": "CSAFPID-11005",
                                    "product_identification_helper": {
                                        "model_numbers": [
                                            "762-6xxx"
                                        ]
                                    }
                                }
                            }
                        ]
                    },
                    {
                        "category": "product_family",
                        "name": "Firmware",
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "<=FW10",
                                "product": {
                                    "name": "Firmware WAGO GmbH & Co. KG <=FW10",
                                    "product_id": "CSAFPID-21001"
                                }
                            },
                            {
                                "category": "product_version",
                                "name": "FW11",
                                "product": {
                                    "name": "Firmware WAGO GmbH & Co. KG FW11",
                                    "product_id": "CSAFPID-22001"
                                }
                            }
                        ]
                    }
                ]
            }
        ],
        "relationships": [
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-21001",
                "relates_to_product_reference": "CSAFPID-11001",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG <=FW10 installed on 750-81xx/xxx-xxx",
                    "product_id": "CSAFPID-31001"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-22001",
                "relates_to_product_reference": "CSAFPID-11001",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG FW11 installed on 750-81xx/xxx-xxx",
                    "product_id": "CSAFPID-32001"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-21001",
                "relates_to_product_reference": "CSAFPID-11002",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG <=FW10 installed on 750-82xx/xxx-xxx",
                    "product_id": "CSAFPID-31002"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-22001",
                "relates_to_product_reference": "CSAFPID-11002",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG FW11 installed on 750-82xx/xxx-xxx",
                    "product_id": "CSAFPID-32002"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-21001",
                "relates_to_product_reference": "CSAFPID-11003",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG <=FW10 installed on 762-4xxx",
                    "product_id": "CSAFPID-31003"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-22001",
                "relates_to_product_reference": "CSAFPID-11003",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG FW11 installed on 762-4xxx",
                    "product_id": "CSAFPID-32003"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-21001",
                "relates_to_product_reference": "CSAFPID-11004",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG <=FW10 installed on 762-5xxx",
                    "product_id": "CSAFPID-31004"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-22001",
                "relates_to_product_reference": "CSAFPID-11004",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG FW11 installed on 762-5xxx",
                    "product_id": "CSAFPID-32004"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-21001",
                "relates_to_product_reference": "CSAFPID-11005",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG <=FW10 installed on 762-6xxx",
                    "product_id": "CSAFPID-31005"
                }
            },
            {
                "category": "installed_on",
                "product_reference": "CSAFPID-22001",
                "relates_to_product_reference": "CSAFPID-11005",
                "full_product_name": {
                    "name": "Firmware WAGO GmbH & Co. KG FW11 installed on 762-6xxx",
                    "product_id": "CSAFPID-32005"
                }
            }
        ],
        "product_groups": [
            {
                "group_id": "CSAFGID-0001",
                "summary": "Affected Products",
                "product_ids": [
                    "CSAFPID-31001",
                    "CSAFPID-31002",
                    "CSAFPID-31003",
                    "CSAFPID-31004",
                    "CSAFPID-31005"
                ]
            },
            {
                "group_id": "CSAFGID-0002",
                "summary": "Fixed Products",
                "product_ids": [
                    "CSAFPID-32001",
                    "CSAFPID-32002",
                    "CSAFPID-32003",
                    "CSAFPID-32004",
                    "CSAFPID-32005"
                ]
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2020-12522",
            "title": "CVE-2020-12522",
            "product_status": {
                "known_affected": [
                    "CSAFPID-31001",
                    "CSAFPID-31002",
                    "CSAFPID-31003",
                    "CSAFPID-31004",
                    "CSAFPID-31005"
                ],
                "fixed": [
                    "CSAFPID-32001",
                    "CSAFPID-32002",
                    "CSAFPID-32003",
                    "CSAFPID-32004",
                    "CSAFPID-32005"
                ]
            },
            "scores": [
                {
                    "products": [
                        "CSAFPID-31001",
                        "CSAFPID-31002",
                        "CSAFPID-31003",
                        "CSAFPID-31004",
                        "CSAFPID-31005"
                    ],
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL",
                        "temporalScore": 9.8,
                        "temporalSeverity": "CRITICAL",
                        "environmentalScore": 9.8,
                        "environmentalSeverity": "CRITICAL",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH"
                    }
                }
            ],
            "remediations": [
                {
                    "category": "mitigation",
                    "details": "* Disable I/O-Check service \n* Restrict network access to the device. \n* Do not directly connect the device to the internet.\n",
                    "group_ids": [
                        "CSAFGID-0001"
                    ]
                },
                {
                    "category": "vendor_fix",
                    "details": "The I/O-Check service protocol is only needed during installation and commissioning, not during normal operations. It is highly recommended to disable the I/O-Check service after commissioning. This is the easiest and securest way to protect your device from the listed vulnerabilities.\n\nRegardless to the action described above, the vulnerability has been fixed in FW11, released in December 2017.",
                    "group_ids": [
                        "CSAFGID-0001"
                    ]
                }
            ],
            "notes": [
                {
                    "audience": "all",
                    "category": "description",
                    "title": "Vulnerability Description",
                    "text": "The reported vulnerability allows an attacker who has network access to the device to execute code with specially crafted packets in WAGO Series PFC 100 (750-81xx/xxx-xxx), Series PFC 200 (750-82xx/xxx-xxx), Series Wago Touch Panel 600 Standard Line (762-4xxx), Series Wago Touch Panel 600 Advanced Line (762-5xxx), Series Wago Touch Panel 600 Marine Line (762-6xxx) with firmware versions <=FW10."
                }
            ],
            "cwe": {
                "id": "CWE-78",
                "name": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
            }
        }
    ]
}