License Manager Service of YOKOGAWA products (CENTUM VP (R5.01.00 - R6.06.00), CENTUM VP Entry Class (R5.01.00 - R6.06.00), ProSafe-RS (R3.01.00 - R4.04.00), PRM (R4.01.00 - R4.02.00), B/M9000 VP(R7.01.01 - R8.02.03)) allows remote attackers to bypass access restriction to send malicious files to the PC where License Manager Service runs via unspecified vectors.