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The second critical vulnerability revolves around session fixation , which can allow an attacker to elevate privileges by impersonating another user in the system .
 The second critical vulnerability: vulnerability; session fixation: vulnerable system; allow an attacker to elevate privileges: capabilities; impersonating another user in the system: capabilities
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 The second critical vulnerability: vulnerability; session fixation: vulnerable system; allow an attacker to elevate privileges: capabilities; impersonating another user in the system: capabilities