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As security researcher Amihai Neiderman of Equus Software mentioned to Motherboard , Samsung ’s Tizen OS has as many as 40 zero - day vulnerabilities still active and posing threat to the security of the operating system .
 security researcher Amihai Neiderman: discoverer; Tizen OS: vulnerable system; 40 zero - day vulnerabilities: vulnerability; posing threat to the security of the operating system: capabilities; Samsung: vulnerable system owner; Equus Software: 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:
 security researcher Amihai Neiderman: discoverer; Tizen OS: vulnerable system; 40 zero - day vulnerabilities: vulnerability; posing threat to the security of the operating system: capabilities; Samsung: vulnerable system owner; Equus Software: discoverer