1485
His presentation also detailed several flaws in Western Digital MyCloud NAS hard drives , some of which were made public at the start of March by another researcher who disclosed the bugs .
 several flaws: vulnerability; Western Digital MyCloud NAS hard drives: 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:
 several flaws: vulnerability; Western Digital MyCloud NAS hard drives: vulnerable system