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The remote device is missing a vendor-supplied security patch.
The VTP protocol implementation in Cisco IOS is potentially
vulnerable to a denial of service attack via a specially crafted VTP
packet sent from the local network segment when operating in either
server or client VTP mode. When the device receives the specially
crafted VTP packet, the switch may crash. The crafted packet must be
received on a switch interface configured to operate as a trunk
See also :
Apply the relevant patch which can be obtained from the Cisco Bug
Risk factor :
Medium / CVSS Base Score : 5.7
CVSS Temporal Score : 4.7
Public Exploit Available : true