CVE-2005-2451

Published: Aug 3, 2005Modified: Apr 16, 2026

2.1

Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability: 3.9 / Impact: 2.9

Source: NVD

Description

Cisco IOS 12.0 through 12.4 and IOS XR before 3.2, with IPv6 enabled, allows remote attackers on a local network segment to cause a denial of service (device reload) and possibly execute arbitrary code via a crafted IPv6 packet.

Affected (148)

Products: Cisco: Ios, Ios Xr

Cisco

2 products

Ios

Ios Xr

Configuration A

146 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios	Version 12.0s
Cisco Ios	Version 12.0sl
Cisco Ios	Version 12.0st
Cisco Ios	Version 12.0sy
Cisco Ios	Version 12.1xu
Cisco Ios	Version 12.1xv
Cisco Ios	Version 12.1yb
Cisco Ios	Version 12.1yc
Cisco Ios	Version 12.1yd
Cisco Ios	Version 12.1ye
Cisco Ios	Version 12.1yf
Cisco Ios	Version 12.1yh
Cisco Ios	Version 12.1yi
Cisco Ios	Version 12.2b
Cisco Ios	Version 12.2bc
Cisco Ios	Version 12.2bw
Cisco Ios	Version 12.2bx
Cisco Ios	Version 12.2by
Cisco Ios	Version 12.2bz
Cisco Ios	Version 12.2cx
Cisco Ios	Version 12.2cy
Cisco Ios	Version 12.2dd
Cisco Ios	Version 12.2dx
Cisco Ios	Version 12.2eu
Cisco Ios	Version 12.2ew
Cisco Ios	Version 12.2ewa
Cisco Ios	Version 12.2ez
Cisco Ios	Version 12.2ja
Cisco Ios	Version 12.2jk
Cisco Ios	Version 12.2mb
Cisco Ios	Version 12.2mc
Cisco Ios	Version 12.2mx
Cisco Ios	Version 12.2s
Cisco Ios	Version 12.2seb
Cisco Ios	Version 12.2sec
Cisco Ios	Version 12.2so
Cisco Ios	Version 12.2su
Cisco Ios	Version 12.2sv
Cisco Ios	Version 12.2sw
Cisco Ios	Version 12.2sx
Cisco Ios	Version 12.2sxa
Cisco Ios	Version 12.2sxb
Cisco Ios	Version 12.2sxd
Cisco Ios	Version 12.2sxe
Cisco Ios	Version 12.2sy
Cisco Ios	Version 12.2sz
Cisco Ios	Version 12.2t
Cisco Ios	Version 12.2xa
Cisco Ios	Version 12.2xb
Cisco Ios	Version 12.2xc
Cisco Ios	Version 12.2xd
Cisco Ios	Version 12.2xe
Cisco Ios	Version 12.2xf
Cisco Ios	Version 12.2xg
Cisco Ios	Version 12.2xh
Cisco Ios	Version 12.2xi
Cisco Ios	Version 12.2xj
Cisco Ios	Version 12.2xk
Cisco Ios	Version 12.2xl
Cisco Ios	Version 12.2xm
Cisco Ios	Version 12.2xn
Cisco Ios	Version 12.2xq
Cisco Ios	Version 12.2xr
Cisco Ios	Version 12.2xt
Cisco Ios	Version 12.2xu
Cisco Ios	Version 12.2xw
Cisco Ios	Version 12.2xz
Cisco Ios	Version 12.2ya
Cisco Ios	Version 12.2yb
Cisco Ios	Version 12.2yc
Cisco Ios	Version 12.2yd
Cisco Ios	Version 12.2ye
Cisco Ios	Version 12.2yf
Cisco Ios	Version 12.2yg
Cisco Ios	Version 12.2yh
Cisco Ios	Version 12.2yj
Cisco Ios	Version 12.2yk
Cisco Ios	Version 12.2yl
Cisco Ios	Version 12.2ym
Cisco Ios	Version 12.2yn
Cisco Ios	Version 12.2yo
Cisco Ios	Version 12.2yp
Cisco Ios	Version 12.2yq
Cisco Ios	Version 12.2yr
Cisco Ios	Version 12.2yt
Cisco Ios	Version 12.2yu
Cisco Ios	Version 12.2yv
Cisco Ios	Version 12.2yw
Cisco Ios	Version 12.2yx
Cisco Ios	Version 12.2yy
Cisco Ios	Version 12.2yz
Cisco Ios	Version 12.2za
Cisco Ios	Version 12.2zb
Cisco Ios	Version 12.2zc
Cisco Ios	Version 12.2zd
Cisco Ios	Version 12.2ze
Cisco Ios	Version 12.2zf
Cisco Ios	Version 12.2zg
Cisco Ios	Version 12.2zh
Cisco Ios	Version 12.2zj
Cisco Ios	Version 12.2zl
Cisco Ios	Version 12.2zn
Cisco Ios	Version 12.2zo
Cisco Ios	Version 12.2zp
Cisco Ios	Version 12.3
Cisco Ios	Version 12.3b
Cisco Ios	Version 12.3bc
Cisco Ios	Version 12.3bw
Cisco Ios	Version 12.3ja
Cisco Ios	Version 12.3t
Cisco Ios	Version 12.3xa
Cisco Ios	Version 12.3xb
Cisco Ios	Version 12.3xc
Cisco Ios	Version 12.3xd
Cisco Ios	Version 12.3xe
Cisco Ios	Version 12.3xf
Cisco Ios	Version 12.3xg
Cisco Ios	Version 12.3xh
Cisco Ios	Version 12.3xi
Cisco Ios	Version 12.3xj
Cisco Ios	Version 12.3xk
Cisco Ios	Version 12.3xl
Cisco Ios	Version 12.3xm
Cisco Ios	Version 12.3xq
Cisco Ios	Version 12.3xr
Cisco Ios	Version 12.3xs
Cisco Ios	Version 12.3xt
Cisco Ios	Version 12.3xu
Cisco Ios	Version 12.3xw
Cisco Ios	Version 12.3xx
Cisco Ios	Version 12.3xy
Cisco Ios	Version 12.3ya
Cisco Ios	Version 12.3yd
Cisco Ios	Version 12.3yf
Cisco Ios	Version 12.3yg
Cisco Ios	Version 12.3yh
Cisco Ios	Version 12.3yi
Cisco Ios	Version 12.3yj
Cisco Ios	Version 12.3yk
Cisco Ios	Version 12.3yq
Cisco Ios	Version 12.3ys
Cisco Ios	Version 12.3yt
Cisco Ios	Version 12.3yu
Cisco Ios	Version 12.4
Cisco Ios	Version 12.4mr
Cisco Ios	Version 12.4t