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There are a number of circumstances where maliciously constructed Internet Security Association and Key Management Protocol (ISAKMP) packets may cause an affected Cisco VPN 3000 Concentrator device to reload. Denial of network/VPN service may be possible.

There are a number of circumstances where maliciously constructed Internet Security Association and Key Management Protocol (ISAKMP) packets may cause an affected Cisco VPN 3000 Concentrator device to reload. Denial of network/VPN service may be possible.