CVE-2023-32347 Auth bypass in Remote Management System

High 8.1 Published 22 May 2023 Updated 16 Jan 2025

Attackers can authenticate as devices using known serials and MACs to steal credentials and execute arbitrary commands as root.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-32347?

CVE-2023-32347 is a high-severity authentication bypass vulnerability in Teltonika Remote Management System, published on 22 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Teltonika’s Remote Management System versions prior to 4.10.0 use device serial numbers and MAC addresses to identify devices from the user perspective for device claiming and from the device perspective for authentication. If an attacker obtained the serial number and MAC address of a device, they could authenticate as that device and steal communication credentials of the device. This could allow an attacker to enable arbitrary command execution as root by utilizing management options within the newly registered devices.

Weakness: CWE-287

Which versions are affected by CVE-2023-32347?

It affects 1 product.

Products include Teltonika Remote Management System.

How do I fix CVE-2023-32347?

No fix has been published for CVE-2023-32347 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-2023-32347 being exploited?

There is no known exploitation of CVE-2023-32347 in the wild and no public exploit code.

Sources

Also known as GHSA-3gwj-m7cm-jpgq.