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Hay ’s research into the Motorola bootloaders began in January when he identified a high - severity vulnerability ( CVE -2016-8467 ) impacting Nexus 6 / 6P handsets .
 Hay: discoverer; he: discoverer; January: time; Motorola bootloaders: vulnerable system; high - severity vulnerability: vulnerability; CVE -2016-8467: common vulnerabilities and exposures
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:
 Hay: discoverer; he: discoverer; January: time; Motorola bootloaders: vulnerable system; high - severity vulnerability: vulnerability; CVE -2016-8467: common vulnerabilities and exposures