2335
Western Digital My Cloud NAS devices have again been found wanting in the security department , as two set of researchers have revealed a number of serious flaws in the devices ’ firmware .
 ( discover vulnerability: been found,  Western Digital My Cloud NAS devices: vulnerable system) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: been found,  Western Digital My Cloud NAS devices: vulnerable system) 