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Users of open source webmail software SquirrelMail are open to remote code execution due to a bug ( CVE -2017-7692 ) discovered independently by two researchers .
 discover vulnerability: discovered
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 discover vulnerability: discovered