2437
The review showed no evidence that attackers had exploited the flaw prior to it being discovered and patched , Cloudflare CEO and founder Matthew Prince said in a blog Wednesday .
 discover vulnerability: exploited
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: exploited