CVE-2023-45321 Information disclosure in ctrlX HMI Web Panel - WR21 (WR2107)

High 8.3 Published 25 Oct 2023 Updated 11 Sep 2024

An attacker on the same network can intercept MQTT credentials transmitted over unencrypted HTTP by the Android client, enabling unauthorized access to the remote management protocol.

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-2023-45321?

CVE-2023-45321 is a high-severity vulnerability in Bosch Rexroth AG 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 Android Client application, when enrolled with the define method 1 (the user manually inserts the server ip address), use HTTP protocol to retrieve sensitive information (ip address and credentials to connect to a remote MQTT broker entity) instead of HTTPS and this feature is not configurable by the user. Due to the lack of encryption of HTTP,this issue allows an attacker placed in the same subnet network of the HMI device to intercept username and password necessary to authenticate to the MQTT server responsible to implement the remote management protocol.

Weakness: CWE-319

Which versions are affected by CVE-2023-45321?

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-2023-45321?

No fix has been published for CVE-2023-45321 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-45321 being exploited?

There is no known exploitation of CVE-2023-45321 in the wild and no public exploit code.

Sources

Also known as GHSA-fjrh-vmhr-2w59.