Vulnerability Monitor

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CVE-2012-3950

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.

Published

2012-09-27T00:55:00.857

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 12.3 Yes
Operating System cisco ios 12.3\(1a\) Yes
Operating System cisco ios 12.3\(2\)ja Yes
Operating System cisco ios 12.3\(2\)ja5 Yes
Operating System cisco ios 12.3\(2\)jk Yes
Operating System cisco ios 12.3\(2\)jk1 Yes
Operating System cisco ios 12.3\(2\)t3 Yes
Operating System cisco ios 12.3\(2\)t8 Yes
Operating System cisco ios 12.3\(2\)xa4 Yes
Operating System cisco ios 12.3\(2\)xa5 Yes
Operating System cisco ios 12.3\(2\)xc1 Yes
Operating System cisco ios 12.3\(2\)xc2 Yes
Operating System cisco ios 12.3\(2\)xc3 Yes
Operating System cisco ios 12.3\(2\)xc4 Yes
Operating System cisco ios 12.3\(2\)xe3 Yes
Operating System cisco ios 12.3\(2\)xe4 Yes
Operating System cisco ios 12.3\(3e\) Yes
Operating System cisco ios 12.3\(3h\) Yes
Operating System cisco ios 12.3\(3i\) Yes
Operating System cisco ios 12.3\(4\)eo1 Yes
Operating System cisco ios 12.3\(4\)ja Yes
Operating System cisco ios 12.3\(4\)ja1 Yes
Operating System cisco ios 12.3\(4\)t Yes
Operating System cisco ios 12.3\(4\)t1 Yes
Operating System cisco ios 12.3\(4\)t2 Yes
Operating System cisco ios 12.3\(4\)t3 Yes
Operating System cisco ios 12.3\(4\)t4 Yes
Operating System cisco ios 12.3\(4\)t8 Yes
Operating System cisco ios 12.3\(4\)tpc11a Yes
Operating System cisco ios 12.3\(4\)xd Yes
Operating System cisco ios 12.3\(4\)xd1 Yes
Operating System cisco ios 12.3\(4\)xd2 Yes
Operating System cisco ios 12.3\(4\)xe4 Yes
Operating System cisco ios 12.3\(4\)xg1 Yes
Operating System cisco ios 12.3\(4\)xg2 Yes
Operating System cisco ios 12.3\(4\)xg4 Yes
Operating System cisco ios 12.3\(4\)xg5 Yes
Operating System cisco ios 12.3\(4\)xh Yes
Operating System cisco ios 12.3\(4\)xk Yes
Operating System cisco ios 12.3\(4\)xk1 Yes
Operating System cisco ios 12.3\(4\)xk3 Yes
Operating System cisco ios 12.3\(4\)xk4 Yes
Operating System cisco ios 12.3\(4\)xq Yes
Operating System cisco ios 12.3\(4\)xq1 Yes
Operating System cisco ios 12.3\(5\) Yes
Operating System cisco ios 12.3\(5\)b1 Yes
Operating System cisco ios 12.3\(5a\) Yes
Operating System cisco ios 12.3\(5a\)b Yes
Operating System cisco ios 12.3\(5a\)b2 Yes
Operating System cisco ios 12.3\(5a\)b5 Yes
Operating System cisco ios 12.3\(5b\) Yes
Operating System cisco ios 12.3\(5c\) Yes
Operating System cisco ios 12.3\(5e\) Yes
Operating System cisco ios 12.3\(5f\) Yes
Operating System cisco ios 12.3\(6\) Yes
Operating System cisco ios 12.3\(6a\) Yes
Operating System cisco ios 12.3\(6d\) Yes
Operating System cisco ios 12.3\(6e\) Yes
Operating System cisco ios 12.3\(6f\) Yes
Operating System cisco ios 12.3\(7\)ja Yes
Operating System cisco ios 12.3\(7\)ja1 Yes
Operating System cisco ios 12.3\(7\)jx Yes
Operating System cisco ios 12.3\(7\)t Yes
Operating System cisco ios 12.3\(7\)t4 Yes
Operating System cisco ios 12.3\(7\)t8 Yes
Operating System cisco ios 12.3\(7\)t9 Yes
Operating System cisco ios 12.3\(7\)t10 Yes
Operating System cisco ios 12.3\(7\)t12 Yes
Operating System cisco ios 12.3\(7\)xi3 Yes
Operating System cisco ios 12.3\(7\)xi4 Yes
Operating System cisco ios 12.3\(7\)xi7 Yes
Operating System cisco ios 12.3\(7\)xr3 Yes
Operating System cisco ios 12.3\(7\)xr4 Yes
Operating System cisco ios 12.3\(7\)xr6 Yes
Operating System cisco ios 12.3\(7.7\) Yes
Operating System cisco ios 12.3\(8\)ja Yes
Operating System cisco ios 12.3\(8\)ja1 Yes
Operating System cisco ios 12.3\(8\)t4 Yes
Operating System cisco ios 12.3\(8\)t7 Yes
Operating System cisco ios 12.3\(8\)t8 Yes
Operating System cisco ios 12.3\(8\)t9 Yes
Operating System cisco ios 12.3\(8\)t11 Yes
Operating System cisco ios 12.3\(8\)xu2 Yes
Operating System cisco ios 12.3\(8\)xy4 Yes
Operating System cisco ios 12.3\(8\)xy5 Yes
Operating System cisco ios 12.3\(8\)xy6 Yes
Operating System cisco ios 12.3\(8\)ya1 Yes
Operating System cisco ios 12.3\(8\)yd Yes
Operating System cisco ios 12.3\(8\)yf Yes
Operating System cisco ios 12.3\(8\)yg Yes
Operating System cisco ios 12.3\(8\)yg1 Yes
Operating System cisco ios 12.3\(8\)yg2 Yes
Operating System cisco ios 12.3\(8\)yg3 Yes
Operating System cisco ios 12.3\(8\)yh Yes
Operating System cisco ios 12.3\(8\)yi Yes
Operating System cisco ios 12.3\(8\)yi1 Yes
Operating System cisco ios 12.3\(8\)yi3 Yes
Operating System cisco ios 12.3\(9\) Yes
Operating System cisco ios 12.3\(9a\)bc Yes
Operating System cisco ios 12.3\(9a\)bc2 Yes
Operating System cisco ios 12.3\(9a\)bc6 Yes
Operating System cisco ios 12.3\(9a\)bc7 Yes
Operating System cisco ios 12.3\(9d\) Yes
Operating System cisco ios 12.3\(9e\) Yes
Operating System cisco ios 12.3\(10\) Yes
Operating System cisco ios 12.3\(10c\) Yes
Operating System cisco ios 12.3\(10d\) Yes
Operating System cisco ios 12.3\(10e\) Yes
Operating System cisco ios 12.3\(11\) Yes
Operating System cisco ios 12.3\(11\)t Yes
Operating System cisco ios 12.3\(11\)t4 Yes
Operating System cisco ios 12.3\(11\)t5 Yes
Operating System cisco ios 12.3\(11\)t6 Yes
Operating System cisco ios 12.3\(11\)t8 Yes
Operating System cisco ios 12.3\(11\)t9 Yes
Operating System cisco ios 12.3\(11\)xl Yes
Operating System cisco ios 12.3\(11\)xl3 Yes
Operating System cisco ios 12.3\(11\)yf Yes
Operating System cisco ios 12.3\(11\)yf2 Yes
Operating System cisco ios 12.3\(11\)yf3 Yes
Operating System cisco ios 12.3\(11\)yf4 Yes
Operating System cisco ios 12.3\(11\)yj Yes
Operating System cisco ios 12.3\(11\)yk Yes
Operating System cisco ios 12.3\(11\)yk1 Yes
Operating System cisco ios 12.3\(11\)yk2 Yes
Operating System cisco ios 12.3\(11\)yl Yes
Operating System cisco ios 12.3\(11\)yn Yes
Operating System cisco ios 12.3\(11\)yr Yes
Operating System cisco ios 12.3\(11\)ys Yes
Operating System cisco ios 12.3\(11\)ys1 Yes
Operating System cisco ios 12.3\(11\)yw Yes
Operating System cisco ios 12.3\(12\) Yes
Operating System cisco ios 12.3\(12b\) Yes
Operating System cisco ios 12.3\(12e\) Yes
Operating System cisco ios 12.3\(13\) Yes
Operating System cisco ios 12.3\(13a\) Yes
Operating System cisco ios 12.3\(13a\)bc Yes
Operating System cisco ios 12.3\(13a\)bc1 Yes
Operating System cisco ios 12.3\(13b\) Yes
Operating System cisco ios 12.3\(14\)t Yes
Operating System cisco ios 12.3\(14\)t2 Yes
Operating System cisco ios 12.3\(14\)t4 Yes
Operating System cisco ios 12.3\(14\)t5 Yes
Operating System cisco ios 12.3\(14\)ym4 Yes
Operating System cisco ios 12.3\(14\)yq Yes
Operating System cisco ios 12.3\(14\)yq1 Yes
Operating System cisco ios 12.3\(14\)yq3 Yes
Operating System cisco ios 12.3\(14\)yq4 Yes
Operating System cisco ios 12.3\(14\)yt Yes
Operating System cisco ios 12.3\(14\)yt1 Yes
Operating System cisco ios 12.3\(14\)yu Yes
Operating System cisco ios 12.3\(14\)yu1 Yes
Operating System cisco ios 12.3\(15\) Yes
Operating System cisco ios 12.3\(15b\) Yes
Operating System cisco ios 12.3\(16\) Yes
Operating System cisco ios 12.3b Yes
Operating System cisco ios 12.3bc Yes
Operating System cisco ios 12.3bw Yes
Operating System cisco ios 12.3j Yes
Operating System cisco ios 12.3ja Yes
Operating System cisco ios 12.3jea Yes
Operating System cisco ios 12.3jeb Yes
Operating System cisco ios 12.3jec Yes
Operating System cisco ios 12.3jed Yes
Operating System cisco ios 12.3jk Yes
Operating System cisco ios 12.3jl Yes
Operating System cisco ios 12.3jx Yes
Operating System cisco ios 12.3t Yes
Operating System cisco ios 12.3tpc Yes
Operating System cisco ios 12.3va Yes
Operating System cisco ios 12.3xa Yes
Operating System cisco ios 12.3xb Yes
Operating System cisco ios 12.3xc Yes
Operating System cisco ios 12.3xd Yes
Operating System cisco ios 12.3xe Yes
Operating System cisco ios 12.3xf Yes
Operating System cisco ios 12.3xg Yes
Operating System cisco ios 12.3xh Yes
Operating System cisco ios 12.3xi Yes
Operating System cisco ios 12.3xj Yes
Operating System cisco ios 12.3xk Yes
Operating System cisco ios 12.3xl Yes
Operating System cisco ios 12.3xm Yes
Operating System cisco ios 12.3xn Yes
Operating System cisco ios 12.3xq Yes
Operating System cisco ios 12.3xr Yes
Operating System cisco ios 12.3xs Yes
Operating System cisco ios 12.3xt Yes
Operating System cisco ios 12.3xu Yes
Operating System cisco ios 12.3xv Yes
Operating System cisco ios 12.3xw Yes
Operating System cisco ios 12.3xx Yes
Operating System cisco ios 12.3xy Yes
Operating System cisco ios 12.3xz Yes
Operating System cisco ios 12.3ya Yes
Operating System cisco ios 12.3yb Yes
Operating System cisco ios 12.3yc Yes
Operating System cisco ios 12.3yd Yes
Operating System cisco ios 12.3ye Yes
Operating System cisco ios 12.3yf Yes
Operating System cisco ios 12.3yg Yes
Operating System cisco ios 12.3yh Yes
Operating System cisco ios 12.3yi Yes
Operating System cisco ios 12.3yj Yes
Operating System cisco ios 12.3yk Yes
Operating System cisco ios 12.3yl Yes
Operating System cisco ios 12.3ym Yes
Operating System cisco ios 12.3yn Yes
Operating System cisco ios 12.3yq Yes
Operating System cisco ios 12.3yr Yes
Operating System cisco ios 12.3ys Yes
Operating System cisco ios 12.3yt Yes
Operating System cisco ios 12.3yu Yes
Operating System cisco ios 12.3yw Yes
Operating System cisco ios 12.3yx Yes
Operating System cisco ios 12.3yz Yes
Operating System cisco ios 12.3za Yes
Operating System cisco ios 12.4 Yes
Operating System cisco ios 12.4\(1\) Yes
Operating System cisco ios 12.4\(1b\) Yes
Operating System cisco ios 12.4\(1c\) Yes
Operating System cisco ios 12.4\(2\)mr Yes
Operating System cisco ios 12.4\(2\)mr1 Yes
Operating System cisco ios 12.4\(2\)t Yes
Operating System cisco ios 12.4\(2\)t1 Yes
Operating System cisco ios 12.4\(2\)t2 Yes
Operating System cisco ios 12.4\(2\)t3 Yes
Operating System cisco ios 12.4\(2\)t4 Yes
Operating System cisco ios 12.4\(2\)xa Yes
Operating System cisco ios 12.4\(2\)xb Yes
Operating System cisco ios 12.4\(2\)xb2 Yes
Operating System cisco ios 12.4\(3\) Yes
Operating System cisco ios 12.4\(3\)t2 Yes
Operating System cisco ios 12.4\(3a\) Yes
Operating System cisco ios 12.4\(3b\) Yes
Operating System cisco ios 12.4\(3d\) Yes
Operating System cisco ios 12.4\(4\)mr Yes
Operating System cisco ios 12.4\(4\)t Yes
Operating System cisco ios 12.4\(4\)t2 Yes
Operating System cisco ios 12.4\(5\) Yes
Operating System cisco ios 12.4\(5b\) Yes
Operating System cisco ios 12.4\(6\)t Yes
Operating System cisco ios 12.4\(6\)t1 Yes
Operating System cisco ios 12.4\(7\) Yes
Operating System cisco ios 12.4\(7a\) Yes
Operating System cisco ios 12.4\(8\) Yes
Operating System cisco ios 12.4\(9\)t Yes
Operating System cisco ios 12.4\(11\)md Yes
Operating System cisco ios 12.4\(15\)md Yes
Operating System cisco ios 12.4\(22\)md Yes
Operating System cisco ios 12.4\(22\)mda Yes
Operating System cisco ios 12.4\(23\) Yes
Operating System cisco ios 12.4\(24\)md Yes
Operating System cisco ios 12.4\(24\)md1 Yes
Operating System cisco ios 12.4\(24\)md2 Yes
Operating System cisco ios 12.4\(24\)md3 Yes
Operating System cisco ios 12.4\(24\)md4 Yes
Operating System cisco ios 12.4\(24\)mda Yes
Operating System cisco ios 12.4\(24\)t1 Yes
Operating System cisco ios 12.4gc Yes
Operating System cisco ios 12.4ja Yes
Operating System cisco ios 12.4jda Yes
Operating System cisco ios 12.4jdc Yes
Operating System cisco ios 12.4jdd Yes
Operating System cisco ios 12.4jk Yes
Operating System cisco ios 12.4jl Yes
Operating System cisco ios 12.4jma Yes
Operating System cisco ios 12.4jmb Yes
Operating System cisco ios 12.4jx Yes
Operating System cisco ios 12.4md Yes
Operating System cisco ios 12.4mda Yes
Operating System cisco ios 12.4mdb Yes
Operating System cisco ios 12.4mr Yes
Operating System cisco ios 12.4mra Yes
Operating System cisco ios 12.4xm No
Operating System cisco ios 12.4xn No
Operating System cisco ios 12.4xp Yes
Operating System cisco ios 12.4xq Yes
Operating System cisco ios 12.4xr Yes
Operating System cisco ios 12.4xt Yes
Operating System cisco ios 12.4xv Yes
Operating System cisco ios 12.4xw Yes
Operating System cisco ios 12.4xy Yes
Operating System cisco ios 12.4xz Yes
Operating System cisco ios 12.4ya Yes
Operating System cisco ios 12.4yb Yes
Operating System cisco ios 12.4yd Yes
Operating System cisco ios 12.4ye Yes
Operating System cisco ios 12.4yg Yes
Operating System cisco ios 15.0 Yes
Operating System cisco ios 15.0\(1\)se Yes
Operating System cisco ios 15.1 Yes
Operating System cisco ios 15.2 Yes
References