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The vulnerability does not mean the world of WPA2 has come crumbling down , but it is up to vendors to mitigate the issues this may cause .
 ( patch vulnerability: mitigate,  the issues: vulnerability, vendors: releaser, WPA2: vulnerable system, vulnerability: vulnerability) 
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:
 ( patch vulnerability: mitigate,  the issues: vulnerability, vendors: releaser, WPA2: vulnerable system, vulnerability: vulnerability) 