Vulnerability · Published Oct 25, 2023 · Assigned by bosch
CVE-2023-46102
High 8.8
In plain English
A high-severity hard-coded credentials in ctrlX HMI Web Panel - WR21 (WR2107) from Bosch Rexroth AG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official description
The Android Client application, when enrolled to the AppHub server, connects to an MQTT broker to exchange messages and receive commands to execute on the HMI device. The protocol builds on top of MQTT to implement the remote management of the device is encrypted with a hard-coded DES symmetric key, that can be retrieved reversing both the Android Client application and the server-side web application. This issue allows an attacker able to control a malicious MQTT broker on the same subnet network of the device, to craft malicious messages and send them to the HMI device, executing arbitrary commands on the device itself.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Bosch Rexroth AG | ctrlX HMI Web Panel - WR21 (WR2107) | all |
| Bosch Rexroth AG | ctrlX HMI Web Panel - WR21 (WR2110) | all |
| Bosch Rexroth AG | ctrlX HMI Web Panel - WR21 (WR2115) | all |
Weakness: CWE-798 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://psirt.bosch.com/security-advisories/BOSCH-SA-175607.html vendor-advisory