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The Shadow Brokers first emerged on social media in August by similarly dumping operational code for a cohort of old firewall exploits that targeted vulnerabilities in Cisco , Fortinet and Juniper Networks products .
 vulnerabilities: vulnerability; The Shadow Brokers: discoverer; Networks products: vulnerable system; a cohort of old firewall exploits: vulnerability; Cisco: vulnerable system owner; Fortinet: vulnerable system owner; Juniper: vulnerable system owner
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:
 vulnerabilities: vulnerability; The Shadow Brokers: discoverer; Networks products: vulnerable system; a cohort of old firewall exploits: vulnerability; Cisco: vulnerable system owner; Fortinet: vulnerable system owner; Juniper: vulnerable system owner