709
Researchers have found that a popular Internet of Things real - time operating system – FreeRTOS – is riddled with serious vulnerabilities .
 real - time operating system: vulnerable system; Researchers: discoverer; FreeRTOS: vulnerable system; serious vulnerabilities: vulnerability; Internet of Things: supported platform
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:
 real - time operating system: vulnerable system; Researchers: discoverer; FreeRTOS: vulnerable system; serious vulnerabilities: vulnerability; Internet of Things: supported platform