CVE-2012-3950
N/A
Published: September 27, 2012 at 12:00 AM UTC
Updated: June 16, 2026 at 11:44 PM UTC
1 product affected across 1 vendorIOS
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Severity
N/A
Exploit prediction
EPSS 2%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
12.312.3(10)12.3(10c)12.3(10d)12.3(10e)12.3(11)12.3(11)t12.3(11)t412.3(11)t512.3(11)t612.3(11)t812.3(11)t912.3(11)xl12.3(11)xl312.3(11)yf12.3(11)yf212.3(11)yf312.3(11)yf412.3(11)yj12.3(11)yk12.3(11)yk112.3(11)yk212.3(11)yl12.3(11)yn12.3(11)yr12.3(11)ys12.3(11)ys112.3(11)yw12.3(12)12.3(12b)12.3(12e)12.3(13)12.3(13a)12.3(13a)bc12.3(13a)bc112.3(13b)12.3(14)t12.3(14)t212.3(14)t412.3(14)t512.3(14)ym412.3(14)yq12.3(14)yq112.3(14)yq312.3(14)yq412.3(14)yt12.3(14)yt112.3(14)yu12.3(14)yu112.3(15)12.3(15b)12.3(16)12.3(1a)12.3(2)ja12.3(2)ja512.3(2)jk12.3(2)jk112.3(2)t312.3(2)t812.3(2)xa412.3(2)xa512.3(2)xc112.3(2)xc212.3(2)xc312.3(2)xc412.3(2)xe312.3(2)xe412.3(3e)12.3(3h)12.3(3i)12.3(4)eo112.3(4)ja12.3(4)ja112.3(4)t12.3(4)t112.3(4)t212.3(4)t312.3(4)t412.3(4)t812.3(4)tpc11a12.3(4)xd12.3(4)xd112.3(4)xd212.3(4)xe412.3(4)xg112.3(4)xg212.3(4)xg412.3(4)xg512.3(4)xh12.3(4)xk12.3(4)xk112.3(4)xk312.3(4)xk412.3(4)xq12.3(4)xq112.3(5)12.3(5)b112.3(5a)12.3(5a)b12.3(5a)b212.3(5a)b512.3(5b)12.3(5c)12.3(5e)12.3(5f)12.3(6)12.3(6a)12.3(6d)12.3(6e)12.3(6f)12.3(7)ja12.3(7)ja112.3(7)jx12.3(7)t12.3(7)t1012.3(7)t1212.3(7)t412.3(7)t812.3(7)t912.3(7)xi312.3(7)xi412.3(7)xi712.3(7)xr312.3(7)xr412.3(7)xr612.3(7.7)12.3(8)ja12.3(8)ja112.3(8)t1112.3(8)t412.3(8)t712.3(8)t812.3(8)t912.3(8)xu212.3(8)xy412.3(8)xy512.3(8)xy612.3(8)ya112.3(8)yd12.3(8)yf12.3(8)yg12.3(8)yg112.3(8)yg212.3(8)yg312.3(8)yh12.3(8)yi12.3(8)yi112.3(8)yi312.3(9)12.3(9a)bc12.3(9a)bc212.3(9a)bc612.3(9a)bc712.3(9d)12.3(9e)12.3b12.3bc12.3bw12.3j12.3ja12.3jea12.3jeb12.3jec12.3jed12.3jk12.3jl12.3jx12.3t12.3tpc12.3va12.3xa12.3xb12.3xc12.3xd12.3xe12.3xf12.3xg12.3xh12.3xi12.3xj12.3xk12.3xl12.3xm12.3xn12.3xq12.3xr12.3xs12.3xt12.3xu12.3xv12.3xw12.3xx12.3xy12.3xz12.3ya12.3yb12.3yc12.3yd12.3ye12.3yf12.3yg12.3yh12.3yi12.3yj12.3yk12.3yl12.3ym12.3yn12.3yq12.3yr12.3ys12.3yt12.3yu12.3yw12.3yx12.3yz12.3za12.412.4(1)12.4(11)md12.4(15)md12.4(1b)12.4(1c)12.4(2)mr12.4(2)mr112.4(2)t12.4(2)t112.4(2)t212.4(2)t312.4(2)t412.4(2)xa12.4(2)xb12.4(2)xb212.4(22)md12.4(22)mda12.4(23)12.4(24)md12.4(24)md112.4(24)md212.4(24)md312.4(24)md412.4(24)mda12.4(24)t112.4(3)12.4(3)t212.4(3a)12.4(3b)12.4(3d)12.4(4)mr12.4(4)t12.4(4)t212.4(5)12.4(5b)12.4(6)t12.4(6)t112.4(7)12.4(7a)12.4(8)12.4(9)t12.4gc12.4ja12.4jda12.4jdc12.4jdd12.4jk12.4jl12.4jma12.4jmb12.4jx12.4md12.4mda12.4mdb12.4mr12.4mra12.4xp12.4xq12.4xr12.4xt12.4xv12.4xw12.4xy12.4xz12.4ya12.4yb12.4yd12.4ye12.4yg15.015.0(1)se15.115.2
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
Vendor Advisoryx_refsource_CISCO
Source: [email protected]
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-ios-ipsVDB Entryx_refsource_XF
Source: [email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/78882Quick Info
StatusMODIFIED
CWE
CWE-399
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