1499
According to a blog post published a day later , CRITIFENCE experts only revealed they discovered two issues in the Modicon Modbus protocol used in PLC ( Programmable Logic Controllers ) , equipment that is often found in industrial facilities all over the world , and used to control and automate sensors and motors .
 CRITIFENCE experts: discoverer
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 CRITIFENCE experts: discoverer