520
Also mitigated were an improper authentication vulnerability ( CVE -2018-13804 ) in SIMATIC IT Production Suite and a code injection vulnerability ( CVE -2018-13814 ) in SIMATIC Panels and SIMATIC WinCC that could allow an attacker with network access to the web server to perform a HTTP header injection attack .
 patch vulnerability: mitigated
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:
 patch vulnerability: mitigated