7.8
CVSSv2

CVE-2010-4671

Published: 07/01/2011 Updated: 08/05/2020
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS prior to 15.0(1)XA5 allows remote malicious users to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, as demonstrated by the flood_router6 program in the thc-ipv6 package, aka Bug ID CSCti33534.

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