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According Bosko Stankovic , information security engineer at DefenseCode , despite repeated efforts to notify Magento , which began in November 2016 , the vulnerability remains unpatched despite four version updates since the disclosure .
 Magento: vulnerable system owner; information security engineer: discoverer; November 2016: time; DefenseCode: discoverer; Bosko Stankovic: discoverer
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:
 Magento: vulnerable system owner; information security engineer: discoverer; November 2016: time; DefenseCode: discoverer; Bosko Stankovic: discoverer