Cisco NX-OS allows local users to gain privileges and execute arbitrary commands via the sed e option, aka Bug IDs CSCtf25457 and CSCtf27651.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-4021
http://www.securityfocus.com/bid/62849
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4077