{"id":"CVE-2023-47304","aliases":["EUVD-2023-51431","GHSA-mg5w-fh3q-rm5p"],"status":"published","title":"An issue was discovered in Vonage Box Telephone Adapter VDV23 version VDV21-3.2.11-0.5.1, allows...","description":"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.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00286,"percentile":0.21332,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2023-12-05T00:00:00Z","modified":"2026-06-17T06:32:33Z","products":[{"vendor":"vonage","product":"vdv23_firmware"}],"references":[{"url":"https://trojanhorsey.substack.com/p/cve-2023-47304-unsecured-uart-in","tags":["x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47304"},{"url":"https://github.com/advisories/GHSA-mg5w-fh3q-rm5p"}],"sources":{"cve":[{"id":"CVE-2023-47304","description":"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.","status":"published","published":"2023-12-05T00:00:00Z","modified":"2024-08-02T21:09:36.139Z","updated_at":"2026-11-02T14:35:14.298866Z"}],"euvd":[{"id":"EUVD-2023-51431","description":"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.","status":"published","published":"2023-12-05T00:00:00Z","modified":"2024-08-02T21:09:36Z","updated_at":"2026-11-03T03:49:57.829961Z"}],"ghsa":[{"id":"GHSA-mg5w-fh3q-rm5p","title":"An issue was discovered in Vonage Box Telephone Adapter VDV23 version VDV21-3.2.11-0.5.1, allows...","description":"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.","status":"published","published":"2023-12-05T06:30:28Z","modified":"2023-12-20T05:06:08Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:55:14.600975Z"}],"nvd":[{"id":"CVE-2023-47304","description":"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.","status":"published","published":"2023-12-05T04:15:07.083Z","modified":"2026-06-17T06:32:33.783Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:08:52.544469Z"}]}}