Multiple unknown vulnerabilities in the MicroServer Web Server for Xerox WorkCentre Pro Color 2128, 2636, and 3545, version 0.001.04.044 through 0.001.04.504, allow attackers to bypass authentication.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-2201
http://www.xerox.com/downloads/usa/en/c/cert_XRX05_006.pdf