The following Yokogawa Electric products hard-code the password for CAMS server applications: CENTUM VP versions from R5.01.00 to R5.04.20 and versions from R6.01.00 to R6.08.00, Exaopc versions from R3.72.00 to R3.79.00
https://web-material3.yokogawa.com/1/32094/files/YSAR-22-0001-E.pdf