732
When informed of the vulnerability and provided with test exploits , GMV confirmed its existence and that it affects versions 4.x and 5.x of the software , and ultimately pushed out a patch , which users are urged to install as soon as possible .
 discover vulnerability: informed
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: informed