7.8
CVSSv2

CVE-2012-4623

Published: 27/09/2012 Updated: 29/08/2017
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

The DHCPv6 server in Cisco IOS 12.2 up to and including 12.4 and 15.0 up to and including 15.2 and IOS XE 2.1.x up to and including 2.6.x, 3.1.xS prior to 3.1.4S, 3.1.xSG and 3.2.xSG prior to 3.2.5SG, 3.2.xS, 3.2.xXO, 3.3.xS, and 3.3.xSG prior to 3.3.1SG allows remote malicious users to cause a denial of service (device reload) via a malformed DHCPv6 packet, aka Bug ID CSCto57723.

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cisco ios xe 2.2.1

cisco ios xe 2.2.2

cisco ios xe 2.4

cisco ios xe 2.4.0

cisco ios xe 2.5.2

cisco ios xe 2.6.0

cisco ios xe 2.2.3

cisco ios xe 2.3

cisco ios xe 2.4.1

cisco ios xe 2.4.2

cisco ios xe 2.6.1

cisco ios xe 2.6.2

cisco ios xe 2.1

cisco ios xe 2.1.0

cisco ios xe 2.3.0

cisco ios xe 2.3.1

cisco ios xe 2.4.3

cisco ios xe 2.4.4

cisco ios xe 2.1.1

cisco ios xe 2.1.2

cisco ios xe 2.2

cisco ios xe 2.3.1t

cisco ios xe 2.3.2

cisco ios xe 2.5.0

cisco ios xe 2.5.1

cisco ios 12.3\\(3i\\)

cisco ios 12.3\\(3h\\)

cisco ios 12.3\\(2\\)xc1

cisco ios 12.3\\(2\\)xa5

cisco ios 12.3\\(1a\\)

cisco ios 12.3\\(2\\)ja

cisco ios 12.3\\(14\\)yt

cisco ios 12.3\\(14\\)yq1

cisco ios 12.3\\(13a\\)bc1

cisco ios 12.3\\(14\\)t2

cisco ios 12.3\\(11\\)ys1

cisco ios 12.3\\(12b\\)

cisco ios 12.3\\(11\\)yf

cisco ios 12.3\\(11\\)yf2

cisco ios 12.3\\(11\\)

cisco ios 12.3\\(10e\\)

cisco ios 12.3\\(10\\)

cisco ios 12.3

cisco ios 12.3\\(11\\)yk2

cisco ios 12.3bc

cisco ios 12.3bw

cisco ios 12.3xd

cisco ios 12.3jed

cisco ios 12.3\\(8\\)yg2

cisco ios 12.3\\(8\\)yi

cisco ios 12.3\\(9a\\)bc2

cisco ios 12.3\\(9d\\)

cisco ios 12.3\\(7.7\\)

cisco ios 12.3\\(7\\)xr3

cisco ios 12.3\\(8\\)t7

cisco ios 12.3\\(8\\)t8

cisco ios 12.3\\(6d\\)

cisco ios 12.3\\(6a\\)

cisco ios 12.3\\(7\\)t12

cisco ios 12.3\\(7\\)t10

cisco ios 12.3\\(4\\)xq

cisco ios 12.3\\(4\\)xq1

cisco ios 12.3\\(5c\\)

cisco ios 12.3\\(5e\\)

cisco ios 12.3\\(4\\)tpc11a

cisco ios 12.3\\(4\\)t8

cisco ios 12.3\\(4\\)xg4

cisco ios 12.3\\(4\\)xk

cisco ios 12.4\\(3b\\)

cisco ios 12.4\\(2\\)xb

cisco ios 12.4\\(2\\)t2

cisco ios 12.4\\(2\\)mr1

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cisco ios 12.4\\(6\\)t1

cisco ios 12.4\\(6\\)t

cisco ios 12.4\\(24\\)md1

cisco ios 12.4\\(3\\)t2

cisco ios 12.4\\(15\\)md

cisco ios 12.3ya

cisco ios 12.4gc

cisco ios 12.3yg

cisco ios 12.3yh

cisco ios 12.4\\(23\\)

cisco ios 12.3xy

cisco ios 12.4\\(1b\\)

cisco ios 12.4\\(1\\)

cisco ios 12.3yr

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cisco ios 12.4jx

cisco ios 12.3xh

cisco ios 12.3xg

cisco ios 12.4jdd

cisco ios 12.4md

cisco ios 12.3\\(3e\\)

cisco ios 12.3\\(2\\)xe4

cisco ios 12.3\\(2\\)xa4

cisco ios 12.3\\(2\\)t8

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cisco ios 12.3\\(16\\)

cisco ios 12.3\\(14\\)yq3

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cisco ios 12.3\\(13\\)

cisco ios 12.3\\(12\\)

cisco ios 12.3\\(11\\)yn

cisco ios 12.3\\(11\\)yr

cisco ios 12.3\\(11\\)yf3

cisco ios 12.3\\(4\\)t

cisco ios 12.3\\(2\\)xe3

cisco ios 12.3\\(2\\)xc4

cisco ios 12.3\\(2\\)jk1

cisco ios 12.3\\(2\\)t3

cisco ios 12.3\\(14\\)yu1

cisco ios 12.3\\(15\\)

cisco ios 12.3\\(14\\)yt1

cisco ios 12.3\\(14\\)t4

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cisco ios 12.3\\(12e\\)

cisco ios 12.3\\(13a\\)bc

cisco ios 12.3\\(11\\)ys

cisco ios 12.3\\(11\\)yj

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cisco ios 12.3\\(11\\)t9

cisco ios 12.3\\(11\\)t6

cisco ios 12.3\\(11\\)t5

cisco ios 12.3jeb

cisco ios 12.3jec

cisco ios 12.3t

cisco ios 12.3tpc

cisco ios 12.3xa

cisco ios 12.3jk

cisco ios 12.3\\(8\\)yd

cisco ios 12.3\\(8\\)yg1

cisco ios 12.3\\(8\\)yi1

cisco ios 12.3\\(9a\\)bc

cisco ios 12.3\\(8\\)t4

cisco ios 12.3\\(8\\)ja

cisco ios 12.3\\(8\\)xy4

cisco ios 12.3\\(8\\)xy5

cisco ios 12.3\\(7\\)ja1

cisco ios 12.3\\(7\\)ja

cisco ios 12.3\\(7\\)xi3

cisco ios 12.3\\(7\\)t9

cisco ios 12.3\\(4\\)xk1

cisco ios 12.3\\(5a\\)b

cisco ios 12.3\\(5a\\)b2

cisco ios 12.3\\(4\\)t2

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cisco ios 12.3\\(4\\)xg2

cisco ios 12.4\\(5\\)

cisco ios 12.4\\(11\\)md

cisco ios 12.4ye

cisco ios 12.4yd

cisco ios 12.4xr

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cisco ios 12.3\\(11\\)yf4

cisco ios 12.3\\(10d\\)

cisco ios 12.3\\(10c\\)

cisco ios 12.3\\(11\\)yl

cisco ios 12.3jea

cisco ios 12.3\\(5\\)

cisco ios 12.3b

cisco ios 12.3xc

cisco ios 12.3xb

cisco ios 12.3\\(8\\)yh

cisco ios 12.3\\(8\\)yf

cisco ios 12.3\\(9a\\)bc7

cisco ios 12.3\\(8\\)yi3

cisco ios 12.3\\(7\\)xr4

cisco ios 12.3\\(8\\)t11

cisco ios 12.3\\(8\\)xy6

cisco ios 12.3\\(8\\)ya1

cisco ios 12.3\\(7\\)t

cisco ios 12.3\\(7\\)jx

cisco ios 12.3\\(7\\)xi7

cisco ios 12.3\\(7\\)xi4

cisco ios 12.3\\(5\\)b1

cisco ios 12.3\\(5a\\)

cisco ios 12.3\\(5f\\)

cisco ios 12.3\\(6\\)

cisco ios 12.3\\(4\\)xd1

cisco ios 12.3\\(4\\)xd

cisco ios 12.3\\(4\\)xe4

cisco ios 12.3\\(4\\)xh

cisco ios 12.4mr

cisco ios 12.4\\(3\\)

cisco ios 12.4\\(2\\)t3

cisco ios 12.4\\(1c\\)

cisco ios 12.4\\(2\\)mr

cisco ios 12.4\\(24\\)md2

cisco ios 12.4\\(5b\\)

cisco ios 12.4\\(22\\)mda

cisco ios 12.4\\(24\\)mda

cisco ios 12.3yb

cisco ios 12.3yc

cisco ios 12.3xs

cisco ios 12.3xt

cisco ios 12.3xz

cisco ios 12.3yt

cisco ios 12.3yj

cisco ios 12.3yi

cisco ios 12.3yw

cisco ios 12.4jk

cisco ios 12.3xr

cisco ios 12.4jmb

cisco ios 12.3xf

cisco ios 12.3xe

cisco ios 12.4\\(24\\)t1

cisco ios 15.2

cisco ios 12.4yb

cisco ios 12.4ya

cisco ios 12.4xz

cisco ios 12.4xp

cisco ios 12.4xn

cisco ios 12.4\\(2\\)xa

cisco ios 12.4\\(24\\)md3

cisco ios 12.4\\(9\\)t

cisco ios 12.4\\(8\\)

cisco ios 12.4ja

cisco ios 12.4\\(4\\)t2

cisco ios 12.4\\(2\\)xb2

cisco ios 12.4\\(2\\)t4

cisco ios 12.3za

cisco ios 12.3yd

cisco ios 12.3xu

cisco ios 12.3xv

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cisco ios 12.3yx

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cisco ios 12.3xq

cisco ios 12.4jma

cisco ios 12.3xn

cisco ios 12.4mra

cisco ios 12.4jdc

cisco ios 15.1

cisco ios 15.0\\(1\\)se

cisco ios 12.4xy

cisco ios 12.4xw

cisco ios 12.4xm

cisco ios 12.3\\(4\\)ja1

cisco ios 12.3\\(4\\)ja

cisco ios 12.3\\(4\\)eo1

cisco ios 12.3\\(2\\)xc3

cisco ios 12.3\\(2\\)xc2

cisco ios 12.3\\(2\\)ja5

cisco ios 12.3\\(2\\)jk

cisco ios 12.3\\(14\\)yu

cisco ios 12.3\\(14\\)yq4

cisco ios 12.3\\(14\\)ym4

cisco ios 12.3\\(13b\\)

cisco ios 12.3\\(13a\\)

cisco ios 12.3\\(11\\)yw

cisco ios 12.3\\(11\\)yk

cisco ios 12.3\\(11\\)yk1

cisco ios 12.3\\(11\\)xl

cisco ios 12.3\\(11\\)xl3

cisco ios 12.3\\(11\\)t4

cisco ios 12.3\\(11\\)t

cisco ios 12.3jl

cisco ios 12.3va

cisco ios 12.3j

cisco ios 12.3ja

cisco ios 12.3jx

cisco ios 12.3\\(9e\\)

cisco ios 12.3\\(8\\)yg3

cisco ios 12.3\\(8\\)yg

cisco ios 12.3\\(9a\\)bc6

cisco ios 12.3\\(9\\)

cisco ios 12.3\\(7\\)xr6

cisco ios 12.3\\(8\\)ja1

cisco ios 12.3\\(8\\)t9

cisco ios 12.3\\(8\\)xu2

cisco ios 12.3\\(6f\\)

cisco ios 12.3\\(6e\\)

cisco ios 12.3\\(7\\)t8

cisco ios 12.3\\(7\\)t4

cisco ios 12.3\\(4\\)xk3

cisco ios 12.3\\(4\\)xk4

cisco ios 12.3\\(5a\\)b5

cisco ios 12.3\\(5b\\)

cisco ios 12.3\\(4\\)t4

cisco ios 12.3\\(4\\)t3

cisco ios 12.3\\(4\\)xg1

cisco ios 12.3\\(4\\)xg5

cisco ios 12.4\\(4\\)t

cisco ios 12.4\\(3a\\)

cisco ios 12.4\\(2\\)t1

cisco ios 12.4\\(24\\)md4

cisco ios 12.4\\(7a\\)

cisco ios 12.4\\(7\\)

cisco ios 12.4\\(4\\)mr

cisco ios 12.4\\(3d\\)

cisco ios 12.4\\(24\\)md

cisco ios 12.4\\(22\\)md

cisco ios 12.3ye

cisco ios 12.3yf

cisco ios 12.3xw

cisco ios 12.3xx

cisco ios 12.3yu

cisco ios 12.4

cisco ios 12.3yz

cisco ios 12.3yn

cisco ios 12.3ym

cisco ios 12.3xk

cisco ios 12.3xj

cisco ios 12.4jl

cisco ios 12.3xm

cisco ios 12.4mdb

cisco ios 12.4mda

cisco ios 15.0

cisco ios 12.4yg

cisco ios 12.4xv

cisco ios 12.4xt

cisco ios xe 3.1.1s

cisco ios xe 3.1.2s

cisco ios xe 3.2.4sg

cisco ios xe 3.2.0s

cisco ios xe 3.3.0sg

cisco ios xe 3.1.3s

cisco ios xe 3.1.1sg

cisco ios xe 3.2.1s

cisco ios xe 3.2.2s

cisco ios xe 3.2.0xo

cisco ios xe 3.2.0sg

cisco ios xe 3.2.1sg

cisco ios xe 3.3.0s

cisco ios xe 3.3.1s

cisco ios xe 3.1.0s

cisco ios xe 3.1.0sg

cisco ios xe 3.2.2sg

cisco ios xe 3.2.3sg

cisco ios xe 3.3.2s

cisco ios xe 3.3.3s

Vendor Advisories

Cisco IOS Software and Cisco IOS XE Software contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition An attacker could exploit this vulnerability by sending a crafted request to an affected device that has the DHCP version 6 (DHCPv6) server feature enabled, causing a reload Cisco ...