CVE Vulnerabilities

CVE-2012-3950

Published: Sep 27, 2012 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
7.1 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.

Affected Software

NameVendorStart VersionEnd Version
IosCisco12.3 (including)12.3 (including)
IosCisco12.3(1a) (including)12.3(1a) (including)
IosCisco12.3(2)ja (including)12.3(2)ja (including)
IosCisco12.3(2)ja5 (including)12.3(2)ja5 (including)
IosCisco12.3(2)jk (including)12.3(2)jk (including)
IosCisco12.3(2)jk1 (including)12.3(2)jk1 (including)
IosCisco12.3(2)t3 (including)12.3(2)t3 (including)
IosCisco12.3(2)t8 (including)12.3(2)t8 (including)
IosCisco12.3(2)xa4 (including)12.3(2)xa4 (including)
IosCisco12.3(2)xa5 (including)12.3(2)xa5 (including)
IosCisco12.3(2)xc1 (including)12.3(2)xc1 (including)
IosCisco12.3(2)xc2 (including)12.3(2)xc2 (including)
IosCisco12.3(2)xc3 (including)12.3(2)xc3 (including)
IosCisco12.3(2)xc4 (including)12.3(2)xc4 (including)
IosCisco12.3(2)xe3 (including)12.3(2)xe3 (including)
IosCisco12.3(2)xe4 (including)12.3(2)xe4 (including)
IosCisco12.3(3e) (including)12.3(3e) (including)
IosCisco12.3(3h) (including)12.3(3h) (including)
IosCisco12.3(3i) (including)12.3(3i) (including)
IosCisco12.3(4)eo1 (including)12.3(4)eo1 (including)
IosCisco12.3(4)ja (including)12.3(4)ja (including)
IosCisco12.3(4)ja1 (including)12.3(4)ja1 (including)
IosCisco12.3(4)t (including)12.3(4)t (including)
IosCisco12.3(4)t1 (including)12.3(4)t1 (including)
IosCisco12.3(4)t2 (including)12.3(4)t2 (including)
IosCisco12.3(4)t3 (including)12.3(4)t3 (including)
IosCisco12.3(4)t4 (including)12.3(4)t4 (including)
IosCisco12.3(4)t8 (including)12.3(4)t8 (including)
IosCisco12.3(4)tpc11a (including)12.3(4)tpc11a (including)
IosCisco12.3(4)xd (including)12.3(4)xd (including)
IosCisco12.3(4)xd1 (including)12.3(4)xd1 (including)
IosCisco12.3(4)xd2 (including)12.3(4)xd2 (including)
IosCisco12.3(4)xe4 (including)12.3(4)xe4 (including)
IosCisco12.3(4)xg1 (including)12.3(4)xg1 (including)
IosCisco12.3(4)xg2 (including)12.3(4)xg2 (including)
IosCisco12.3(4)xg4 (including)12.3(4)xg4 (including)
IosCisco12.3(4)xg5 (including)12.3(4)xg5 (including)
IosCisco12.3(4)xh (including)12.3(4)xh (including)
IosCisco12.3(4)xk (including)12.3(4)xk (including)
IosCisco12.3(4)xk1 (including)12.3(4)xk1 (including)
IosCisco12.3(4)xk3 (including)12.3(4)xk3 (including)
IosCisco12.3(4)xk4 (including)12.3(4)xk4 (including)
IosCisco12.3(4)xq (including)12.3(4)xq (including)
IosCisco12.3(4)xq1 (including)12.3(4)xq1 (including)
IosCisco12.3(5) (including)12.3(5) (including)
IosCisco12.3(5)b1 (including)12.3(5)b1 (including)
IosCisco12.3(5a) (including)12.3(5a) (including)
IosCisco12.3(5a)b (including)12.3(5a)b (including)
IosCisco12.3(5a)b2 (including)12.3(5a)b2 (including)
IosCisco12.3(5a)b5 (including)12.3(5a)b5 (including)
IosCisco12.3(5b) (including)12.3(5b) (including)
IosCisco12.3(5c) (including)12.3(5c) (including)
IosCisco12.3(5e) (including)12.3(5e) (including)
IosCisco12.3(5f) (including)12.3(5f) (including)
IosCisco12.3(6) (including)12.3(6) (including)
IosCisco12.3(6a) (including)12.3(6a) (including)
IosCisco12.3(6d) (including)12.3(6d) (including)
IosCisco12.3(6e) (including)12.3(6e) (including)
IosCisco12.3(6f) (including)12.3(6f) (including)
IosCisco12.3(7)ja (including)12.3(7)ja (including)
IosCisco12.3(7)ja1 (including)12.3(7)ja1 (including)
IosCisco12.3(7)jx (including)12.3(7)jx (including)
IosCisco12.3(7)t (including)12.3(7)t (including)
IosCisco12.3(7)t4 (including)12.3(7)t4 (including)
IosCisco12.3(7)t8 (including)12.3(7)t8 (including)
IosCisco12.3(7)t9 (including)12.3(7)t9 (including)
IosCisco12.3(7)t10 (including)12.3(7)t10 (including)
IosCisco12.3(7)t12 (including)12.3(7)t12 (including)
IosCisco12.3(7)xi3 (including)12.3(7)xi3 (including)
IosCisco12.3(7)xi4 (including)12.3(7)xi4 (including)
IosCisco12.3(7)xi7 (including)12.3(7)xi7 (including)
IosCisco12.3(7)xr3 (including)12.3(7)xr3 (including)
IosCisco12.3(7)xr4 (including)12.3(7)xr4 (including)
IosCisco12.3(7)xr6 (including)12.3(7)xr6 (including)
IosCisco12.3(7.7) (including)12.3(7.7) (including)
IosCisco12.3(8)ja (including)12.3(8)ja (including)
IosCisco12.3(8)ja1 (including)12.3(8)ja1 (including)
IosCisco12.3(8)t4 (including)12.3(8)t4 (including)
IosCisco12.3(8)t7 (including)12.3(8)t7 (including)
IosCisco12.3(8)t8 (including)12.3(8)t8 (including)
IosCisco12.3(8)t9 (including)12.3(8)t9 (including)
IosCisco12.3(8)t11 (including)12.3(8)t11 (including)
IosCisco12.3(8)xu2 (including)12.3(8)xu2 (including)
IosCisco12.3(8)xy4 (including)12.3(8)xy4 (including)
IosCisco12.3(8)xy5 (including)12.3(8)xy5 (including)
IosCisco12.3(8)xy6 (including)12.3(8)xy6 (including)
IosCisco12.3(8)ya1 (including)12.3(8)ya1 (including)
IosCisco12.3(8)yd (including)12.3(8)yd (including)
IosCisco12.3(8)yf (including)12.3(8)yf (including)
IosCisco12.3(8)yg (including)12.3(8)yg (including)
IosCisco12.3(8)yg1 (including)12.3(8)yg1 (including)
IosCisco12.3(8)yg2 (including)12.3(8)yg2 (including)
IosCisco12.3(8)yg3 (including)12.3(8)yg3 (including)
IosCisco12.3(8)yh (including)12.3(8)yh (including)
IosCisco12.3(8)yi (including)12.3(8)yi (including)
IosCisco12.3(8)yi1 (including)12.3(8)yi1 (including)
IosCisco12.3(8)yi3 (including)12.3(8)yi3 (including)
IosCisco12.3(9) (including)12.3(9) (including)
IosCisco12.3(9a)bc (including)12.3(9a)bc (including)
IosCisco12.3(9a)bc2 (including)12.3(9a)bc2 (including)
IosCisco12.3(9a)bc6 (including)12.3(9a)bc6 (including)
IosCisco12.3(9a)bc7 (including)12.3(9a)bc7 (including)
IosCisco12.3(9d) (including)12.3(9d) (including)
IosCisco12.3(9e) (including)12.3(9e) (including)
IosCisco12.3(10) (including)12.3(10) (including)
IosCisco12.3(10c) (including)12.3(10c) (including)
IosCisco12.3(10d) (including)12.3(10d) (including)
IosCisco12.3(10e) (including)12.3(10e) (including)
IosCisco12.3(11) (including)12.3(11) (including)
IosCisco12.3(11)t (including)12.3(11)t (including)
IosCisco12.3(11)t4 (including)12.3(11)t4 (including)
IosCisco12.3(11)t5 (including)12.3(11)t5 (including)
IosCisco12.3(11)t6 (including)12.3(11)t6 (including)
IosCisco12.3(11)t8 (including)12.3(11)t8 (including)
IosCisco12.3(11)t9 (including)12.3(11)t9 (including)
IosCisco12.3(11)xl (including)12.3(11)xl (including)
IosCisco12.3(11)xl3 (including)12.3(11)xl3 (including)
IosCisco12.3(11)yf (including)12.3(11)yf (including)
IosCisco12.3(11)yf2 (including)12.3(11)yf2 (including)
IosCisco12.3(11)yf3 (including)12.3(11)yf3 (including)
IosCisco12.3(11)yf4 (including)12.3(11)yf4 (including)
IosCisco12.3(11)yj (including)12.3(11)yj (including)
IosCisco12.3(11)yk (including)12.3(11)yk (including)
IosCisco12.3(11)yk1 (including)12.3(11)yk1 (including)
IosCisco12.3(11)yk2 (including)12.3(11)yk2 (including)
IosCisco12.3(11)yl (including)12.3(11)yl (including)
IosCisco12.3(11)yn (including)12.3(11)yn (including)
IosCisco12.3(11)yr (including)12.3(11)yr (including)
IosCisco12.3(11)ys (including)12.3(11)ys (including)
IosCisco12.3(11)ys1 (including)12.3(11)ys1 (including)
IosCisco12.3(11)yw (including)12.3(11)yw (including)
IosCisco12.3(12) (including)12.3(12) (including)
IosCisco12.3(12b) (including)12.3(12b) (including)
IosCisco12.3(12e) (including)12.3(12e) (including)
IosCisco12.3(13) (including)12.3(13) (including)
IosCisco12.3(13a) (including)12.3(13a) (including)
IosCisco12.3(13a)bc (including)12.3(13a)bc (including)
IosCisco12.3(13a)bc1 (including)12.3(13a)bc1 (including)
IosCisco12.3(13b) (including)12.3(13b) (including)
IosCisco12.3(14)t (including)12.3(14)t (including)
IosCisco12.3(14)t2 (including)12.3(14)t2 (including)
IosCisco12.3(14)t4 (including)12.3(14)t4 (including)
IosCisco12.3(14)t5 (including)12.3(14)t5 (including)
IosCisco12.3(14)ym4 (including)12.3(14)ym4 (including)
IosCisco12.3(14)yq (including)12.3(14)yq (including)
IosCisco12.3(14)yq1 (including)12.3(14)yq1 (including)
IosCisco12.3(14)yq3 (including)12.3(14)yq3 (including)
IosCisco12.3(14)yq4 (including)12.3(14)yq4 (including)
IosCisco12.3(14)yt (including)12.3(14)yt (including)
IosCisco12.3(14)yt1 (including)12.3(14)yt1 (including)
IosCisco12.3(14)yu (including)12.3(14)yu (including)
IosCisco12.3(14)yu1 (including)12.3(14)yu1 (including)
IosCisco12.3(15) (including)12.3(15) (including)
IosCisco12.3(15b) (including)12.3(15b) (including)
IosCisco12.3(16) (including)12.3(16) (including)
IosCisco12.3b (including)12.3b (including)
IosCisco12.3bc (including)12.3bc (including)
IosCisco12.3bw (including)12.3bw (including)
IosCisco12.3j (including)12.3j (including)
IosCisco12.3ja (including)12.3ja (including)
IosCisco12.3jea (including)12.3jea (including)
IosCisco12.3jeb (including)12.3jeb (including)
IosCisco12.3jec (including)12.3jec (including)
IosCisco12.3jed (including)12.3jed (including)
IosCisco12.3jk (including)12.3jk (including)
IosCisco12.3jl (including)12.3jl (including)
IosCisco12.3jx (including)12.3jx (including)
IosCisco12.3t (including)12.3t (including)
IosCisco12.3tpc (including)12.3tpc (including)
IosCisco12.3va (including)12.3va (including)
IosCisco12.3xa (including)12.3xa (including)
IosCisco12.3xb (including)12.3xb (including)
IosCisco12.3xc (including)12.3xc (including)
IosCisco12.3xd (including)12.3xd (including)
IosCisco12.3xe (including)12.3xe (including)
IosCisco12.3xf (including)12.3xf (including)
IosCisco12.3xg (including)12.3xg (including)
IosCisco12.3xh (including)12.3xh (including)
IosCisco12.3xi (including)12.3xi (including)
IosCisco12.3xj (including)12.3xj (including)
IosCisco12.3xk (including)12.3xk (including)
IosCisco12.3xl (including)12.3xl (including)
IosCisco12.3xm (including)12.3xm (including)
IosCisco12.3xn (including)12.3xn (including)
IosCisco12.3xq (including)12.3xq (including)
IosCisco12.3xr (including)12.3xr (including)
IosCisco12.3xs (including)12.3xs (including)
IosCisco12.3xt (including)12.3xt (including)
IosCisco12.3xu (including)12.3xu (including)
IosCisco12.3xv (including)12.3xv (including)
IosCisco12.3xw (including)12.3xw (including)
IosCisco12.3xx (including)12.3xx (including)
IosCisco12.3xy (including)12.3xy (including)
IosCisco12.3xz (including)12.3xz (including)
IosCisco12.3ya (including)12.3ya (including)
IosCisco12.3yb (including)12.3yb (including)
IosCisco12.3yc (including)12.3yc (including)
IosCisco12.3yd (including)12.3yd (including)
IosCisco12.3ye (including)12.3ye (including)
IosCisco12.3yf (including)12.3yf (including)
IosCisco12.3yg (including)12.3yg (including)
IosCisco12.3yh (including)12.3yh (including)
IosCisco12.3yi (including)12.3yi (including)
IosCisco12.3yj (including)12.3yj (including)
IosCisco12.3yk (including)12.3yk (including)
IosCisco12.3yl (including)12.3yl (including)
IosCisco12.3ym (including)12.3ym (including)
IosCisco12.3yn (including)12.3yn (including)
IosCisco12.3yq (including)12.3yq (including)
IosCisco12.3yr (including)12.3yr (including)
IosCisco12.3ys (including)12.3ys (including)
IosCisco12.3yt (including)12.3yt (including)
IosCisco12.3yu (including)12.3yu (including)
IosCisco12.3yw (including)12.3yw (including)
IosCisco12.3yx (including)12.3yx (including)
IosCisco12.3yz (including)12.3yz (including)
IosCisco12.3za (including)12.3za (including)
IosCisco12.4 (including)12.4 (including)
IosCisco12.4(1) (including)12.4(1) (including)
IosCisco12.4(1b) (including)12.4(1b) (including)
IosCisco12.4(1c) (including)12.4(1c) (including)
IosCisco12.4(2)mr (including)12.4(2)mr (including)
IosCisco12.4(2)mr1 (including)12.4(2)mr1 (including)
IosCisco12.4(2)t (including)12.4(2)t (including)
IosCisco12.4(2)t1 (including)12.4(2)t1 (including)
IosCisco12.4(2)t2 (including)12.4(2)t2 (including)
IosCisco12.4(2)t3 (including)12.4(2)t3 (including)
IosCisco12.4(2)t4 (including)12.4(2)t4 (including)
IosCisco12.4(2)xa (including)12.4(2)xa (including)
IosCisco12.4(2)xb (including)12.4(2)xb (including)
IosCisco12.4(2)xb2 (including)12.4(2)xb2 (including)
IosCisco12.4(3) (including)12.4(3) (including)
IosCisco12.4(3)t2 (including)12.4(3)t2 (including)
IosCisco12.4(3a) (including)12.4(3a) (including)
IosCisco12.4(3b) (including)12.4(3b) (including)
IosCisco12.4(3d) (including)12.4(3d) (including)
IosCisco12.4(4)mr (including)12.4(4)mr (including)
IosCisco12.4(4)t (including)12.4(4)t (including)
IosCisco12.4(4)t2 (including)12.4(4)t2 (including)
IosCisco12.4(5) (including)12.4(5) (including)
IosCisco12.4(5b) (including)12.4(5b) (including)
IosCisco12.4(6)t (including)12.4(6)t (including)
IosCisco12.4(6)t1 (including)12.4(6)t1 (including)
IosCisco12.4(7) (including)12.4(7) (including)
IosCisco12.4(7a) (including)12.4(7a) (including)
IosCisco12.4(8) (including)12.4(8) (including)
IosCisco12.4(9)t (including)12.4(9)t (including)
IosCisco12.4(11)md (including)12.4(11)md (including)
IosCisco12.4(15)md (including)12.4(15)md (including)
IosCisco12.4(22)md (including)12.4(22)md (including)
IosCisco12.4(22)mda (including)12.4(22)mda (including)
IosCisco12.4(23) (including)12.4(23) (including)
IosCisco12.4(24)md (including)12.4(24)md (including)
IosCisco12.4(24)md1 (including)12.4(24)md1 (including)
IosCisco12.4(24)md2 (including)12.4(24)md2 (including)
IosCisco12.4(24)md3 (including)12.4(24)md3 (including)
IosCisco12.4(24)md4 (including)12.4(24)md4 (including)
IosCisco12.4(24)mda (including)12.4(24)mda (including)
IosCisco12.4(24)t1 (including)12.4(24)t1 (including)
IosCisco12.4gc (including)12.4gc (including)
IosCisco12.4ja (including)12.4ja (including)
IosCisco12.4jda (including)12.4jda (including)
IosCisco12.4jdc (including)12.4jdc (including)
IosCisco12.4jdd (including)12.4jdd (including)
IosCisco12.4jk (including)12.4jk (including)
IosCisco12.4jl (including)12.4jl (including)
IosCisco12.4jma (including)12.4jma (including)
IosCisco12.4jmb (including)12.4jmb (including)
IosCisco12.4jx (including)12.4jx (including)
IosCisco12.4md (including)12.4md (including)
IosCisco12.4mda (including)12.4mda (including)
IosCisco12.4mdb (including)12.4mdb (including)
IosCisco12.4mr (including)12.4mr (including)
IosCisco12.4mra (including)12.4mra (including)
IosCisco12.4xm (including)12.4xm (including)
IosCisco12.4xn (including)12.4xn (including)
IosCisco12.4xp (including)12.4xp (including)
IosCisco12.4xq (including)12.4xq (including)
IosCisco12.4xr (including)12.4xr (including)
IosCisco12.4xt (including)12.4xt (including)
IosCisco12.4xv (including)12.4xv (including)
IosCisco12.4xw (including)12.4xw (including)
IosCisco12.4xy (including)12.4xy (including)
IosCisco12.4xz (including)12.4xz (including)
IosCisco12.4ya (including)12.4ya (including)
IosCisco12.4yb (including)12.4yb (including)
IosCisco12.4yd (including)12.4yd (including)
IosCisco12.4ye (including)12.4ye (including)
IosCisco12.4yg (including)12.4yg (including)
IosCisco15.0 (including)15.0 (including)
IosCisco15.0(1)se (including)15.0(1)se (including)
IosCisco15.1 (including)15.1 (including)
IosCisco15.2 (including)15.2 (including)

References