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Earlier this year , hackers exploited vulnerabilities in the Signaling System No. 7 ( SS7 ) protocols to sidestep two - factor authentication and steal funds from German victims ' bank accounts , according to Germany 's Suddeutsche Zeitung .
 vulnerabilities: vulnerability; Signaling System No. 7: vulnerable system; SS7: vulnerable system; protocols to sidestep two - factor authentication: capabilities; Earlier this year: time
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; Signaling System No. 7: vulnerable system; SS7: vulnerable system; protocols to sidestep two - factor authentication: capabilities; Earlier this year: time