1267
In total , the researchers uncovered four instances of critical pre-authentication shell injection flaws in Libelium 's wireless sensor network , Meshlium .
 discover vulnerability: uncovered
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: uncovered