4
Qihoo 360 , a China - based internet security firm , says it has notified the EOS blockchain project about “ a series of epic vulnerabilities ” discovered on its platform .
 a China - based internet security firm: discoverer; Qihoo 360: discoverer; a series of epic vulnerabilities: vulnerability; the EOS blockchain project: vulnerable system
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:
 a China - based internet security firm: discoverer; Qihoo 360: discoverer; a series of epic vulnerabilities: vulnerability; the EOS blockchain project: vulnerable system