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" Many of the vulnerabilities we find in anti-virus products and corporate middleboxes — such as failing to validate certificates and advertising broken ciphers — are negligent and another data point in a worrying trend of security products worsening security rather than improving it , " they wrote .
 Many of the vulnerabilities: vulnerability; we: discoverer; anti-virus products: vulnerable system; corporate middleboxes: vulnerable system; failing to validate certificates: capabilities; advertising broken ciphers: capabilities
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:
 Many of the vulnerabilities: vulnerability; we: discoverer; anti-virus products: vulnerable system; corporate middleboxes: vulnerable system; failing to validate certificates: capabilities; advertising broken ciphers: capabilities