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The flaw traces back to the hardware ’s Stream Control Transmission Protocol ( SCTP ) used by the appliance , according to a Cisco Security Advisory posted Wednesday .
 ( discover vulnerability: posted,  The flaw: vulnerability, Stream Control Transmission Protocol ( SCTP ): vulnerable system, the appliance: vulnerable system, a Cisco Security Advisory: discoverer, Wednesday: time, hardware: vulnerable system) 
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: posted,  The flaw: vulnerability, Stream Control Transmission Protocol ( SCTP ): vulnerable system, the appliance: vulnerable system, a Cisco Security Advisory: discoverer, Wednesday: time, hardware: vulnerable system) 