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        "cveId": "CVE-2021-34577",
        "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
        "state": "PUBLISHED",
        "assignerShortName": "CERTVDE",
        "requesterUserId": "520cc88b-a1c8-44f6-9154-21a4d74c769f",
        "dateReserved": "2021-06-10T19:19:08.025Z",
        "datePublished": "2022-11-09T16:11:03.018Z",
        "dateUpdated": "2025-05-01T19:16:45.077Z"
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    "containers": {
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            "affected": [
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                    "defaultStatus": "affected",
                    "product": "PICOFLUX AiR",
                    "vendor": "Kaden",
                    "versions": [
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                            "status": "affected",
                            "version": "all"
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                    ]
                }
            ],
            "credits": [
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                    "lang": "en",
                    "type": "finder",
                    "user": "00000000-0000-4000-9000-000000000000",
                    "value": "Libor POLČÁK reported to CERT@VDE"
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            "datePublic": "2021-09-16T10:00:00.000Z",
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                            "value": "In the Kaden PICOFLUX AiR water meter an adversary can read the values through wireless M-Bus mode 5 with a hardcoded shared key while being adjacent to the device."
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                            "value": "CAPEC-21 Exploitation of Trusted Credentials"
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                        "attackComplexity": "LOW",
                        "attackVector": "ADJACENT_NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
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                            "value": "GENERAL"
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                    "descriptions": [
                        {
                            "cweId": "CWE-798",
                            "description": "CWE-798 Use of Hard-coded Credentials",
                            "lang": "en",
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                "shortName": "CERTVDE",
                "dateUpdated": "2022-11-09T16:11:03.018Z"
            },
            "references": [
                {
                    "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34577"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Hardcoded credentials in Kaden PICOFLUX AiR",
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T00:19:46.586Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34577",
                        "tags": [
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            {
                "metrics": [
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-05-01T19:16:21.657086Z",
                                "id": "CVE-2021-34577",
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                                        "Exploitation": "none"
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