Barracuda CudaSign “is a secure eSignature solution allowing organizations to obtain legally binding signatures from customers, partners, and employees in seconds, reducing document turnaround up to 90%.” According to the install documentation the setup process uses default admin credentials:
The Barracuda CudaSign Server initially displays the Boot Menu. Once fully booted, the Administrative Console login prompt displays. Log in using the admin login credentials admin/admin.
Once installed the documentation also shows the web interface has default credentials:
From a web browser, enter the Barracuda CudaSign Server IP address, followed by the default Web Interface HTTP Port (:8000).
Log in to the administration interface using admin for both the username and password