7.8
CVSSv2

CVE-2015-0646

Published: 26/03/2015 Updated: 12/05/2017
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

Memory leak in the TCP input module in Cisco IOS 12.2, 12.4, 15.0, 15.2, 15.3, and 15.4 and IOS XE 3.3.xXO, 3.5.xE, 3.6.xE, 3.8.xS up to and including 3.10.xS prior to 3.10.5S, and 3.11.xS and 3.12.xS prior to 3.12.3S allows remote malicious users to cause a denial of service (memory consumption or device reload) by sending crafted TCP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCum94811.

Vulnerability Trend

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cisco ios xe 3.3xo.0

cisco ios xe 3.5e.0

cisco ios xe 3.10s.0

cisco ios xe 3.10s.3

cisco ios xe 3.10s.4

cisco ios xe 3.5e.1

cisco ios xe 3.5e.2

cisco ios xe 3.8s.1

cisco ios xe 3.8s.2

cisco ios xe 3.10s.0a

cisco ios xe 3.11s.1

cisco ios xe 3.11s.3

cisco ios xe 3.12s.1

cisco ios xe 3.6e.1

cisco ios xe 3.11s.4

cisco ios xe 3.8s_base

cisco ios xe 3.8s.0

cisco ios xe 3.10s.1

cisco ios xe 3.10s.2

cisco ios xe 3.9s.2

cisco ios xe 3.11s.0

cisco ios xe 3.5e.3

cisco ios xe 3.6e.0

cisco ios xe 3.9s.1

cisco ios xe 3.9s.0

cisco ios xe 3.12s.0

cisco ios xe 3.11s.2

cisco ios xe 3.3xo.1

cisco ios xe 3.3xo.2

cisco ios 12.4

cisco ios 15.0

cisco ios 15.1

cisco ios 15.4

cisco ios 15.2

cisco ios 15.3

cisco ios 12.2

Vendor Advisories

A vulnerability in the TCP input module of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak and eventual reload of the affected device The vulnerability is due to improper handling of certain crafted packet sequences used in establishing a TCP three-way handshake An attacker could exploit ...