CVE-2023-47304 Auth bypass in n/a

High 7.8 Published Updated

Local attackers can bypass UART authentication to read and write arbitrary memory values on Vonage Box Telephone Adapters.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-47304?

CVE-2023-47304 is a high-severity authentication bypass vulnerability in n/a, published on 5 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-287

Which versions are affected by CVE-2023-47304?

It affects 1 product.

Products include Vonage Vdv23 Firmware.

How do I fix CVE-2023-47304?

No fix has been published for CVE-2023-47304 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-47304 being exploited?

There is no known exploitation of CVE-2023-47304 in the wild and no public exploit code.

Sources

Also known as GHSA-mg5w-fh3q-rm5p.

Is CVE-2023-47304 in your software?

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