Hard-Coded Password Vulnerability in Siemens CP-8031 and CP-8050 Master Modules

CVE-2023-33920

What is CVE-2023-33920?

A security flaw has been identified in the CP-8031 and CP-8050 Master Modules from Siemens, where the root password is hard-coded within the device firmware. This flaw exposes the modules to potential exploitation, particularly through UART console access for attackers with direct physical access. Any unauthorized individual gaining access to the hardware could exploit this weakness, leading to unauthorized control over the affected systems. It's crucial for users of these devices to ensure they are running the latest firmware versions to mitigate this risk.

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