What is CVE-2023-47304?

CVE-2023-47304 is a high-severity vulnerability in Vonage Vdv23, classified under Improper Authentication. CVSS score: 7.8/10. Published 2023-12-05.

How severe is CVE-2023-47304?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Vonage Vdv23

CVE-2023-47304

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.

Vulnerability class: Broken Authentication

EPSS: 0.003 (20.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Vonage Vdv23
Vonage Vdv23_firmware — versions vdv21-3.2.11-0.5.1
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2023-47304?: CVE-2023-47304 is a high-severity vulnerability in Vonage Vdv23, classified under Improper Authentication. CVSS score: 7.8/10. Published 2023-12-05.
How severe is CVE-2023-47304?: High severity. CVSS v3 base score is 7.8 out of 10.