2399
Based on the exploit code , many of these security flaws can be exploited by altering cookie values or embedding shell commands in cookie parameters .
 ( discover vulnerability: be exploited,  security flaws: vulnerability, altering cookie values: capabilities, embedding shell commands in cookie parameters: capabilities) 
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: be exploited,  security flaws: vulnerability, altering cookie values: capabilities, embedding shell commands in cookie parameters: capabilities) 