Cisco NX-OS 5.0 before 5.0(5) on Nexus 7000 devices, when local authentication and multiple VDCs are enabled, allows remote authenticated users to gain privileges within an unintended VDC via an SSH session to a management interface, aka Bug ID CSCti11629.
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140521-nxos