Cisco IOS 12.2bc/12.2cx/12.2cy/12.2xf/12.3bc SNMP Service unknown vulnerability

A vulnerability classified as very critical has been found in Cisco IOS 12.2bc/12.2cx/12.2cy/12.2xf/12.3bc (Router Operating System). Affected is an unknown part of the component SNMP Service. It is possible to mitigate the problem by applying the configuration setting no snmp-server. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1222.