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Cisco has released fixes for 34 flaws in its software , including 24 that affect its FXOS software for Firepower firewalls and NX - OS software for Nexus switches .
 Nexus switches: vulnerable system; its FXOS software: vulnerable system; Firepower firewalls: vulnerable system; NX - OS software: vulnerable system
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:
 Nexus switches: vulnerable system; its FXOS software: vulnerable system; Firepower firewalls: vulnerable system; NX - OS software: vulnerable system