CVE-2014-3341
The SNMP module in Cisco NX-OS 7.0(3)N1(1) and earlier on Nexus 5000 and 6000 devices provides different error messages for invalid requests depending on whether the VLAN ID exists, which allows remote attackers to enumerate VLANs via a series of requests, aka Bug ID CSCup85616.
Date published : 2014-08-19
http://www.securityfocus.com/bid/69266
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3341