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Tests found apps from some of the largest banks contained the flaw which , if exploited , could have enabled attackers to decrypt , view , and even modify network traffic from users of the app .
 apps: vulnerable system; the largest banks: discoverer; Tests: discoverer; the flaw: vulnerability
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:
 apps: vulnerable system; the largest banks: discoverer; Tests: discoverer; the flaw: vulnerability