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The Industrial Control System Cyber Emergency Response Team ( ICS - CERT ) issued an advisory last Thursday warning of five vulnerabilities in the Honeywell XL1000C500 XLWebExe -2-01-00 and prior , and XLWeb 500 XLWebExe -1-02-08 and prior .
 ( discover vulnerability: issued,  last Thursday: time, The Industrial Control System Cyber Emergency Response Team ( ICS - CERT ): discoverer) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: issued,  last Thursday: time, The Industrial Control System Cyber Emergency Response Team ( ICS - CERT ): discoverer) 