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EternalBlue is a " very fresh vulnerability " given that most breaches that use exploits leverage flaws that have been publicly known for an average of two years or more .
 two years: time; very fresh vulnerability: vulnerability; EternalBlue: vulnerability; exploits leverage flaws: vulnerability
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:
 two years: time; very fresh vulnerability: vulnerability; EternalBlue: vulnerability; exploits leverage flaws: vulnerability