CVE-2023-47304

Published: Dec 5, 2023Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD

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.

Affected (1)

Products: Vonage: Vdv23 Firmware

Vonage

1 product

Vdv23 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Vonage Vdv23 Firmware	Version vdv21-3.2.11-0.5.1

Running on/with	Platform Versions
Vonage Vdv23	All versions

Related CWEs

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

References (2)

https://trojanhorsey.substack.com/p/cve-2023-47304-unsecured-uart-in

Source: cve@mitre.org

Exploit

https://trojanhorsey.substack.com/p/cve-2023-47304-unsecured-uart-in

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

Timeline

No history available yet.