CVE-2021-34571

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{"affected": [{"affectedData": [{"product": "AT-WMBUS-16-2", "vendor": "Enbra", "versions": [{"status": "unknown", "version": "all"}]}, {"product": "ER-AM DN 15", "vendor": "Enbra", "versions": [{"status": "unknown", "version": "ER-AM DN 15/SV all"}, {"status": "unknown", "version": "ER-AM DN 15/TV all"}]}, {"product": "EWM 1.7.29", "vendor": "Enbra", "versions": [{"status": "affected", "version": "03.11.2019"}]}], "source": "info@cert.vde.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:enbra:ewm:1.7.29:*:*:*:*:*:*:*", "matchCriteriaId": "C983990C-D1DE-42C2-B6A2-8D9BD0B5A4FF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple Wireless M-Bus devices by Enbra use Hard-coded Credentials in Security mode 5 without an option to change the encryption key. An adversary can learn all information that is available in Enbra EWM."}, {"lang": "es", "value": "M\u00faltiples dispositivos M-Bus inal\u00e1mbricos de Enbra, usan Credenciales Embebidas en Security mode 5 sin una opci\u00f3n para cambiar la clave de cifrado. Un adversario puede aprender toda la informaci\u00f3n disponible en Enbra EWM"}], "id": "CVE-2021-34571", "lastModified": "2026-06-17T03:56:09.063", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 5.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "info@cert.vde.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-16T13:15:14.200", "references": [{"source": "info@cert.vde.com", "tags": ["Third Party Advisory"], "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34571.en"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.fit.vutbr.cz/~polcak/CVE-2021-34571.en"}], "sourceIdentifier": "info@cert.vde.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}], "source": "info@cert.vde.com", "type": "Secondary"}]}

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