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Firstly , in this case , patching process is especially laborious and time - consuming , as the vulnerability affects client side , so an SAP administrator has to apply the patch on every endpoint with SAP GUI in a company and a typical enterprise has thousands of them , ” said Vahagn Vardanyan , senior security researcher , ERPScan .
 ( discover vulnerability: said,  Vahagn Vardanyan: 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: said,  Vahagn Vardanyan: discoverer) 