CVE-2023-47304

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:vonage:vdv23_firmware:vdv21-3.2.11-0.5.1:*:*:*:*:*:*:*", "matchCriteriaId": "2E6A9EB7-FD15-44AE-8AE9-052C5FE43495", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:vonage:vdv23:-:*:*:*:*:*:*:*", "matchCriteriaId": "B2A5A354-8732-4192-ABA1-B2CCE9F2472B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Vonage Box Telephone Adapter VDV23 version VDV21-3.2.11-0.5.1, allows local attackers to bypass UART authentication controls and read/write arbitrary values to the memory of the device."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Vonage Box Telephone Adapter VDV23 versi\u00f3n VDV21-3.2.11-0.5.1, que permite a atacantes locales eludir los controles de autenticaci\u00f3n UART y leer/escribir valores arbitrarios en la memoria del dispositivo."}], "id": "CVE-2023-47304", "lastModified": "2026-06-17T06:32:33.783", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-12-05T04:15:07.083", "references": [{"source": "cve@mitre.org", "tags": ["Exploit"], "url": "https://trojanhorsey.substack.com/p/cve-2023-47304-unsecured-uart-in"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://trojanhorsey.substack.com/p/cve-2023-47304-unsecured-uart-in"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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