CVE-2023-41255 Missing authorization in ctrlX HMI Web Panel - WR21 (WR2107)

High 8.8 Published 25 Oct 2023 Updated 12 Sep 2024

Unauthenticated attackers on the local network can gain root access via exposed ADB due to missing authentication on the su binary.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-41255?

CVE-2023-41255 is a high-severity missing authorization vulnerability in Rexroth ctrlX HMI Web Panel - WR21 (WR2107), published on 25 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The vulnerability allows an unprivileged user with access to the subnet of the TPC-110W device to gain a root shell on the device itself abusing the lack of authentication of the ‘su’ binary file installed on the device that can be accessed through the ADB (Android Debug Bridge) protocol exposed on the network.

Weakness: CWE-306

Which versions are affected by CVE-2023-41255?

It affects 3 products.

Products include Boschrexroth Ctrlx Hmi Web Panel Wr2107 Firmware, Boschrexroth Ctrlx Hmi Web Panel Wr2110 Firmware, Boschrexroth Ctrlx Hmi Web Panel Wr2115 Firmware.

How do I fix CVE-2023-41255?

No fix has been published for CVE-2023-41255 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-41255 being exploited?

There is no known exploitation of CVE-2023-41255 in the wild and no public exploit code.

Sources

Also known as GHSA-6fhx-rwxq-vh8v.