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Configuration

CVE-2011-2395

Severity Medium
Score 5/10

Summary

The Neighbor Discovery (ND) protocol implementation in Cisco IOS on unspecified switches allows remote attackers to bypass the Router Advertisement Guarding functionality via a fragmented IPv6 packet in which the Router Advertisement (RA) message is contained in the second fragment, as demonstrated by (1) a packet in which the first fragment contains a long Destination Options extension header or (2) a packet in which the first fragment contains an ICMPv6 Echo Request message.

  • LOW
  • NETWORK
  • NONE
  • PARTIAL
  • NONE
  • NONE

CWE-16 - Configuration

Weaknesses in this category are typically introduced during the configuration of the software.

References

Advisory Timeline

  • Published