{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-47943",
        "assignerOrgId": "551230f0-3615-47bd-b7cc-93e92e730bbf",
        "state": "PUBLISHED",
        "assignerShortName": "SEC-VLab",
        "dateReserved": "2024-10-07T13:39:52.543Z",
        "datePublished": "2024-10-15T08:57:05.068Z",
        "dateUpdated": "2025-11-03T22:21:53.100Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "affected",
                    "product": "IoT Interface & CMC III Processing Unit",
                    "vendor": "RITTAL GmbH & Co. KG",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "<6.21.00.2",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Johannes Kruchem, SEC Consult Vulnerability Lab"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>The firmware upgrade function in the admin web interface of the Rittal&nbsp;IoT Interface &amp; CMC III Processing Unit devices checks if \nthe patch files are signed before executing the containing run.sh \nscript. The signing process is kind of an HMAC with a long string as key\n which is hard-coded in the firmware and is freely available for \ndownload. This allows crafting malicious \"signed\" .patch files in order \nto compromise the device and execute arbitrary code.</p><p></p>"
                        }
                    ],
                    "value": "The firmware upgrade function in the admin web interface of the Rittal IoT Interface & CMC III Processing Unit devices checks if \nthe patch files are signed before executing the containing run.sh \nscript. The signing process is kind of an HMAC with a long string as key\n which is hard-coded in the firmware and is freely available for \ndownload. This allows crafting malicious \"signed\" .patch files in order \nto compromise the device and execute arbitrary code."
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "SEC Consult has published proof of concept code for this vulnerability."
                        }
                    ],
                    "value": "SEC Consult has published proof of concept code for this vulnerability."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-186",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-186 Malicious Software Update"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-347",
                            "description": "CWE-347 Improper Verification of Cryptographic Signature",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "551230f0-3615-47bd-b7cc-93e92e730bbf",
                "shortName": "SEC-VLab",
                "dateUpdated": "2024-10-15T08:57:05.068Z"
            },
            "references": [
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://r.sec-consult.com/rittaliot"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://www.rittal.com/de-de/products/deep/3124300"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>The vendor provides a patched version V6.21.00.2 which can be downloaded from the following URL:&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"https://www.rittal.com/de-de/products/deep/3124300\">www.rittal.com/de-de/products/deep/3124300</a></p><br>"
                        }
                    ],
                    "value": "The vendor provides a patched version V6.21.00.2 which can be downloaded from the following URL:  www.rittal.com/de-de/products/deep/3124300 https://www.rittal.com/de-de/products/deep/3124300"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Improper signature verification of firmware upgrade files",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2024-10-15T13:25:02.130829Z",
                                "id": "CVE-2024-47943",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-03-17T15:21:48.883Z"
                }
            },
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://seclists.org/fulldisclosure/2024/Oct/4"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-11-03T22:21:53.100Z"
                }
            }
        ]
    }
}