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“ With databases of commonly known device vulnerabilities publicly available , it does n’t take a vast amount of effort and knowledge for cybercriminals to connect the dots and find out which devices are vulnerable , ” comments Vince Steckler , CEO at Avast .
 cybercriminals: 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:
 cybercriminals: discoverer