7.8
CVSSv2

CVE-2013-5474

Published: 27/09/2013 Updated: 07/10/2013
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

Race condition in the IPv6 virtual fragmentation reassembly (VFR) implementation in Cisco IOS 12.2 up to and including 12.4 and 15.0 up to and including 15.3 allows remote malicious users to cause a denial of service (device reload or hang) via fragmented IPv6 packets, aka Bug ID CSCud64812.

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cisco ios 15.3

cisco ios 15.1

cisco ios 15.0

cisco ios 12.4

cisco ios 12.3

cisco ios 12.2

cisco ios 15.2

Vendor Advisories

A vulnerability in the implementation of the virtual fragmentation reassembly (VFR) feature for IP version 6 (IPv6) in Cisco IOS Software could allow an unauthenticated, remote attacker to cause an affected device to hang or reload, resulting in a denial of service (DoS) condition The vulnerability is due to a race condition while accessing the r ...