2184
By exploiting this vulnerability , attackers could completely take over user accounts , and access victims ’ personal and group conversations , photos , videos and other shared files , contact lists , and more .
 ( data breach: access,  attackers: attacker, exploiting this vulnerability: attack pattern, take over user accounts: attack pattern, personal and group conversations: compromised data, photos: compromised data, videos: compromised data, shared files: compromised data, contact lists: compromised data, victims: victim) 
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:
 ( data breach: access,  attackers: attacker, exploiting this vulnerability: attack pattern, take over user accounts: attack pattern, personal and group conversations: compromised data, photos: compromised data, videos: compromised data, shared files: compromised data, contact lists: compromised data, victims: victim) 