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The vulnerability lay in the certificate pinning technology , a security mechanism used to prevent impersonation attacks and use of fraudulent certificates by only accepting certificates signed by a single pinned CA root certificate .
 The vulnerability: vulnerability; the certificate pinning technology: 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:
 The vulnerability: vulnerability; the certificate pinning technology: vulnerable system