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The vulnerability , CVE -2018-16555 , has a CVSS score which Applied Risk researcher calculates to be 8.2 ( or high severity ) .
 Applied Risk researcher: discoverer; CVE -2018-16555: common vulnerabilities and exposures; vulnerability: 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:
 Applied Risk researcher: discoverer; CVE -2018-16555: common vulnerabilities and exposures; vulnerability: vulnerability