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CVE-2012-3949 Cisco Unified Communications Manager

Affected softwareCisco Unified Communications Manager
Severity7.8 High CVSS 2.0
WeaknessImproper input validation (CWE-20)
Published27 Sep 2012
Updated16 Jun 2026

Description

The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2; and Cisco IOS XE 3.3.xSG before 3.3.1SG, 3.4.xS, and 3.5.xS allows remote attackers to cause a denial of service (service crash or device reload) via a crafted SIP message containing an SDP session description, aka Bug IDs CSCtw66721, CSCtj33003, and CSCtw84664.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 14 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 3.2% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

Affected software and releases

Products and versions

3 products, 260 version entries
SourceVendorProductSchemeAffected versions
nvd cisco ios generic 12.2 · 12.2b · 12.2bc · 12.2bw · 12.2bx · 12.2by · 12.2bz · 12.2ca · 12.2cx · 12.2cy · 12.2cz · 12.2da · 12.2dd · 12.2dx · 12.2ew · 12.2ewa · 12.2ex · 12.2ey · 12.2ez · 12.2fx · 12.2fy · 12.2fz · 12.2irb · 12.2ixa · 12.2ixb · 12.2ixc · 12.2ixd · 12.2ixe · 12.2ixf · 12.2ixg · 12.2l · 12.2mb · 12.2rc · 12.2s · 12.2sb · 12.2sbc · 12.2sca · 12.2scb · 12.2se · 12.2sea · 12.2seb · 12.2sec · 12.2sed · 12.2see · 12.2sef · 12.2seg · 12.2sg · 12.2sga · 12.2sm · 12.2sr · 12.2sra · 12.2srb · 12.2src · 12.2su · 12.2sv · 12.2sva · 12.2svc · 12.2svd · 12.2sve · 12.2sw · 12.2sx · 12.2sxa · 12.2sxb · 12.2sxd · 12.2sxe · 12.2sxf · 12.2sxi · 12.2sy · 12.2sz · 12.2t · 12.2tpc · 12.2xa · 12.2xb · 12.2xc · 12.2xd · 12.2xe · 12.2xf · 12.2xg · 12.2xh · 12.2xi · 12.2xj · 12.2xk · 12.2xl · 12.2xm · 12.2xn · 12.2xnb · 12.2xnc · 12.2xnd · 12.2xo · 12.2xq · 12.2xr · 12.2xs · 12.2xt · 12.2xu · 12.2xv · 12.2xw · 12.2ya · 12.2yb · 12.2yc · 12.2yd · 12.2ye · 12.2yf · 12.2yg · 12.2yh · 12.2yj · 12.2yk · 12.2yl · 12.2ym · 12.2yn · 12.2yo · 12.2yp · 12.2yq · 12.2yr · 12.2ys · 12.2yt · 12.2yu · 12.2yv · 12.2yw · 12.2yx · 12.2yy · 12.2yz · 12.2za · 12.2zb · 12.2zc · 12.2zd · 12.2ze · 12.2zf · 12.2zg · 12.2zh · 12.2zj · 12.2zl · 12.2zp · 12.2zu · 12.2zx · 12.2zy · 12.2zya · 12.3 · 12.3b · 12.3bc · 12.3bw · 12.3ja · 12.3jea · 12.3jeb · 12.3jec · 12.3jk · 12.3jl · 12.3jx · 12.3t · 12.3tpc · 12.3va · 12.3xa · 12.3xb · 12.3xc · 12.3xd · 12.3xe · 12.3xf · 12.3xg · 12.3xi · 12.3xk · 12.3xl · 12.3xq · 12.3xr · 12.3xs · 12.3xu · 12.3xw · 12.3xx · 12.3xy · 12.3xz · 12.3ya · 12.3yd · 12.3yf · 12.3yg · 12.3yh · 12.3yj · 12.3yk · 12.3ym · 12.3yq · 12.3ys · 12.3yt · 12.3yu · 12.3yx · 12.3yz · 12.3za · 15.0 · 15.0m · 15.0mr · 15.0mra · 15.0s · 15.0sa · 15.0sg · 15.0xa · 15.0xo · 15.0\(1\)se · 15.0\(1\)s1 · 15.0\(1\)s2 · 15.1 · 15.1ey · 15.1gc · 15.1m · 15.1s · 15.1t · 15.1xb · 15.1\(1\)xb1 · 15.1\(2\)t · 15.1\(3\)t · 15.1\(4\)m · 15.1\(4\)m1 · 15.2
nvd cisco ios xe generic 3.3.0sg · 3.3.1s · 3.3.1sg · 3.4.xs · 3.4.0as · 3.4.0s · 3.4.1s · 3.4.2s · 3.4.3s · 3.5.xs · 3.5.0s · 3.5.1s · 3.5.2s
nvd cisco unified communications manager generic 6.0\(1a\) · 6.0\(1b\) · 6.1\(1\) · 6.1\(1a\) · 6.1\(1b\) · 6.1\(2\) · 6.1\(3\) · 6.1\(3a\) · 6.1\(3b\) · 6.1\(4\) · 6.1\(4a\) · 6.1\(4b\) · 6.1\(5\) · 7.1\(1\) · 7.1\(2\) · 7.1\(2a\) · 7.1\(2b\) · 7.1\(3\) · 7.1\(3a\) · 7.1\(3b\) · 7.1\(5\) · 7.1\(5a\) · 7.1\(5b\) · 7.1\(5b\)su1 · 7.1\(5b\)su1a · 7.1\(5b\)su2 · 7.1\(5b\)su3 · 7.1\(5b\)su4 · 8.0 · 8.0\(1\) · 8.0\(2\) · 8.0\(2a\) · 8.0\(2b\) · 8.0\(2c\) · 8.0\(3\) · 8.0\(3a\) · 8.5\(1\)su1 · 8.5\(1\)su2 · 8.5\(1\)su3

References

URLTags
http://osvdb.org/85816 Broken Link
http://secunia.com/advisories/50774 Not Applicable
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-cucm Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sip Vendor Advisory
http://www.securityfocus.com/bid/55697 Third Party Advisory, VDB Entry

Timeline

Published2012-09-27By the CVE Program.
NVD record modified2026-06-16NVD's own last-modified date for this record.