An issue was discovered on Rittal PDU-3C002DEC through 5.17.10 and CMCIII-PU-9333E0FB through 3.17.10 devices. There is a Backdoor root account.

The devices are vulnerable to session hijacking due to insufficient entropy in its session ID generation algorithm. The session IDs are predictable, with only 32,768 possible values per user, which allows attackers to pre-generate valid session IDs, leading to unauthorized access to user sessions. This is not only due to the use of an (insecure) rand() function call but also because of missing initialization via srand(). As a result only the PIDs are effectively used as seed.

The device directly executes .patch firmware upgrade files on a USB stick without any prior authentication in the admin interface. This leads to an unauthenticated code execution via the firmware upgrade function.

The firmware upgrade function in the admin web interface of the Rittal IoT Interface & CMC III Processing Unit devices checks if the patch files are signed before executing the containing run.sh script. The signing process is kind of an HMAC with a long string as key which is hard-coded in the firmware and is freely available for download. This allows crafting malicious "signed" .patch files in order to compromise the device and execute arbitrary code.

In multiple products by Festo a remote unauthenticated attacker could use functions of an undocumented protocol which could lead to a complete loss of confidentiality, integrity and availability.

An issue was discovered on Rittal PDU-3C002DEC through 5.17.10 and CMCIII-PU-9333E0FB through 3.17.10 devices. There is a least privilege violation.

An issue was discovered on Rittal PDU-3C002DEC through 5.15.40 and CMCIII-PU-9333E0FB through 3.15.70_4 devices. Attackers can execute code.

An issue was discovered on Rittal PDU-3C002DEC through 5.15.70 and CMCIII-PU-9333E0FB through 3.15.70 devices. There are insecure permissions.

An issue was discovered on Rittal PDU-3C002DEC through 5.17.10 and CMCIII-PU-9333E0FB through 3.17.10 devices. Attackers can bypass the CLI menu.