CVE-2012-3949
Summary
| CVE | CVE-2012-3949 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2012-09-27 00:55:00 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Cisco | Ios | 12.2 | All | All | All |
| Operating System | Cisco | Ios | 12.2b | All | All | All |
| Operating System | Cisco | Ios | 12.2bc | All | All | All |
| Operating System | Cisco | Ios | 12.2bw | All | All | All |
| Operating System | Cisco | Ios | 12.2bx | All | All | All |
| Operating System | Cisco | Ios | 12.2by | All | All | All |
| Operating System | Cisco | Ios | 12.2bz | All | All | All |
| Operating System | Cisco | Ios | 12.2ca | All | All | All |
| Operating System | Cisco | Ios | 12.2cx | All | All | All |
| Operating System | Cisco | Ios | 12.2cy | All | All | All |
| Operating System | Cisco | Ios | 12.2cz | All | All | All |
| Operating System | Cisco | Ios | 12.2da | All | All | All |
| Operating System | Cisco | Ios | 12.2dd | All | All | All |
| Operating System | Cisco | Ios | 12.2dx | All | All | All |
| Operating System | Cisco | Ios | 12.2ew | All | All | All |
| Operating System | Cisco | Ios | 12.2ewa | All | All | All |
| Operating System | Cisco | Ios | 12.2ex | All | All | All |
| Operating System | Cisco | Ios | 12.2ey | All | All | All |
| Operating System | Cisco | Ios | 12.2ez | All | All | All |
| Operating System | Cisco | Ios | 12.2fx | All | All | All |
| Operating System | Cisco | Ios | 12.2fy | All | All | All |
| Operating System | Cisco | Ios | 12.2fz | All | All | All |
| Operating System | Cisco | Ios | 12.2irb | All | All | All |
| Operating System | Cisco | Ios | 12.2ixa | All | All | All |
| Operating System | Cisco | Ios | 12.2ixb | All | All | All |
| Operating System | Cisco | Ios | 12.2ixc | All | All | All |
| Operating System | Cisco | Ios | 12.2ixd | All | All | All |
| Operating System | Cisco | Ios | 12.2ixe | All | All | All |
| Operating System | Cisco | Ios | 12.2ixf | All | All | All |
| Operating System | Cisco | Ios | 12.2ixg | All | All | All |
| Operating System | Cisco | Ios | 12.2l | All | All | All |
| Operating System | Cisco | Ios | 12.2mb | All | All | All |
| Operating System | Cisco | Ios | 12.2rc | All | All | All |
| Operating System | Cisco | Ios | 12.2s | All | All | All |
| Operating System | Cisco | Ios | 12.2sb | All | All | All |
| Operating System | Cisco | Ios | 12.2sbc | All | All | All |
| Operating System | Cisco | Ios | 12.2sca | All | All | All |
| Operating System | Cisco | Ios | 12.2scb | All | All | All |
| Operating System | Cisco | Ios | 12.2se | All | All | All |
| Operating System | Cisco | Ios | 12.2sea | All | All | All |
| Operating System | Cisco | Ios | 12.2seb | All | All | All |
| Operating System | Cisco | Ios | 12.2sec | All | All | All |
| Operating System | Cisco | Ios | 12.2sed | All | All | All |
| Operating System | Cisco | Ios | 12.2see | All | All | All |
| Operating System | Cisco | Ios | 12.2sef | All | All | All |
| Operating System | Cisco | Ios | 12.2seg | All | All | All |
| Operating System | Cisco | Ios | 12.2sg | All | All | All |
| Operating System | Cisco | Ios | 12.2sga | All | All | All |
| Operating System | Cisco | Ios | 12.2sm | All | All | All |
| Operating System | Cisco | Ios | 12.2sr | All | All | All |
| Operating System | Cisco | Ios | 12.2sra | All | All | All |
| Operating System | Cisco | Ios | 12.2srb | All | All | All |
| Operating System | Cisco | Ios | 12.2src | All | All | All |
| Operating System | Cisco | Ios | 12.2su | All | All | All |
| Operating System | Cisco | Ios | 12.2sv | All | All | All |
| Operating System | Cisco | Ios | 12.2sva | All | All | All |
| Operating System | Cisco | Ios | 12.2svc | All | All | All |
| Operating System | Cisco | Ios | 12.2svd | All | All | All |
| Operating System | Cisco | Ios | 12.2sve | All | All | All |
| Operating System | Cisco | Ios | 12.2sw | All | All | All |
| Operating System | Cisco | Ios | 12.2sx | All | All | All |
| Operating System | Cisco | Ios | 12.2sxa | All | All | All |
| Operating System | Cisco | Ios | 12.2sxb | All | All | All |
| Operating System | Cisco | Ios | 12.2sxd | All | All | All |
| Operating System | Cisco | Ios | 12.2sxe | All | All | All |
| Operating System | Cisco | Ios | 12.2sxf | All | All | All |
| Operating System | Cisco | Ios | 12.2sxi | All | All | All |
| Operating System | Cisco | Ios | 12.2sy | All | All | All |
| Operating System | Cisco | Ios | 12.2sz | All | All | All |
| Operating System | Cisco | Ios | 12.2t | All | All | All |
| Operating System | Cisco | Ios | 12.2tpc | All | All | All |
| Operating System | Cisco | Ios | 12.2xa | All | All | All |
| Operating System | Cisco | Ios | 12.2xb | All | All | All |
| Operating System | Cisco | Ios | 12.2xc | All | All | All |
| Operating System | Cisco | Ios | 12.2xd | All | All | All |
| Operating System | Cisco | Ios | 12.2xe | All | All | All |
| Operating System | Cisco | Ios | 12.2xf | All | All | All |
| Operating System | Cisco | Ios | 12.2xg | All | All | All |
| Operating System | Cisco | Ios | 12.2xh | All | All | All |
| Operating System | Cisco | Ios | 12.2xi | All | All | All |
| Operating System | Cisco | Ios | 12.2xj | All | All | All |
| Operating System | Cisco | Ios | 12.2xk | All | All | All |
| Operating System | Cisco | Ios | 12.2xl | All | All | All |
| Operating System | Cisco | Ios | 12.2xm | All | All | All |
| Operating System | Cisco | Ios | 12.2xn | All | All | All |
| Operating System | Cisco | Ios | 12.2xnb | All | All | All |
| Operating System | Cisco | Ios | 12.2xnc | All | All | All |
| Operating System | Cisco | Ios | 12.2xnd | All | All | All |
| Operating System | Cisco | Ios | 12.2xo | All | All | All |
| Operating System | Cisco | Ios | 12.2xq | All | All | All |
| Operating System | Cisco | Ios | 12.2xr | All | All | All |
| Operating System | Cisco | Ios | 12.2xs | All | All | All |
| Operating System | Cisco | Ios | 12.2xt | All | All | All |
| Operating System | Cisco | Ios | 12.2xu | All | All | All |
| Operating System | Cisco | Ios | 12.2xv | All | All | All |
| Operating System | Cisco | Ios | 12.2xw | All | All | All |
| Operating System | Cisco | Ios | 12.2ya | All | All | All |
| Operating System | Cisco | Ios | 12.2yb | All | All | All |
| Operating System | Cisco | Ios | 12.2yc | All | All | All |
| Operating System | Cisco | Ios | 12.2yd | All | All | All |
| Operating System | Cisco | Ios | 12.2ye | All | All | All |
| Operating System | Cisco | Ios | 12.2yf | All | All | All |
| Operating System | Cisco | Ios | 12.2yg | All | All | All |
| Operating System | Cisco | Ios | 12.2yh | All | All | All |
| Operating System | Cisco | Ios | 12.2yj | All | All | All |
| Operating System | Cisco | Ios | 12.2yk | All | All | All |
| Operating System | Cisco | Ios | 12.2yl | All | All | All |
| Operating System | Cisco | Ios | 12.2ym | All | All | All |
| Operating System | Cisco | Ios | 12.2yn | All | All | All |
| Operating System | Cisco | Ios | 12.2yo | All | All | All |
| Operating System | Cisco | Ios | 12.2yp | All | All | All |
| Operating System | Cisco | Ios | 12.2yq | All | All | All |
| Operating System | Cisco | Ios | 12.2yr | All | All | All |
| Operating System | Cisco | Ios | 12.2ys | All | All | All |
| Operating System | Cisco | Ios | 12.2yt | All | All | All |
| Operating System | Cisco | Ios | 12.2yu | All | All | All |
| Operating System | Cisco | Ios | 12.2yv | All | All | All |
| Operating System | Cisco | Ios | 12.2yw | All | All | All |
| Operating System | Cisco | Ios | 12.2yx | All | All | All |
| Operating System | Cisco | Ios | 12.2yy | All | All | All |
| Operating System | Cisco | Ios | 12.2yz | All | All | All |
| Operating System | Cisco | Ios | 12.2za | All | All | All |
| Operating System | Cisco | Ios | 12.2zb | All | All | All |
| Operating System | Cisco | Ios | 12.2zc | All | All | All |
| Operating System | Cisco | Ios | 12.2zd | All | All | All |
| Operating System | Cisco | Ios | 12.2ze | All | All | All |
| Operating System | Cisco | Ios | 12.2zf | All | All | All |
| Operating System | Cisco | Ios | 12.2zg | All | All | All |
| Operating System | Cisco | Ios | 12.2zh | All | All | All |
| Operating System | Cisco | Ios | 12.2zj | All | All | All |
| Operating System | Cisco | Ios | 12.2zl | All | All | All |
| Operating System | Cisco | Ios | 12.2zp | All | All | All |
| Operating System | Cisco | Ios | 12.2zu | All | All | All |
| Operating System | Cisco | Ios | 12.2zx | All | All | All |
| Operating System | Cisco | Ios | 12.2zy | All | All | All |
| Operating System | Cisco | Ios | 12.2zya | All | All | All |
| Operating System | Cisco | Ios | 12.3 | All | All | All |
| Operating System | Cisco | Ios | 12.3b | All | All | All |
| Operating System | Cisco | Ios | 12.3bc | All | All | All |
| Operating System | Cisco | Ios | 12.3bw | All | All | All |
| Operating System | Cisco | Ios | 12.3ja | All | All | All |
| Operating System | Cisco | Ios | 12.3jea | All | All | All |
| Operating System | Cisco | Ios | 12.3jeb | All | All | All |
| Operating System | Cisco | Ios | 12.3jec | All | All | All |
| Operating System | Cisco | Ios | 12.3jk | All | All | All |
| Operating System | Cisco | Ios | 12.3jl | All | All | All |
| Operating System | Cisco | Ios | 12.3jx | All | All | All |
| Operating System | Cisco | Ios | 12.3t | All | All | All |
| Operating System | Cisco | Ios | 12.3tpc | All | All | All |
| Operating System | Cisco | Ios | 12.3va | All | All | All |
| Operating System | Cisco | Ios | 12.3xa | All | All | All |
| Operating System | Cisco | Ios | 12.3xb | All | All | All |
| Operating System | Cisco | Ios | 12.3xc | All | All | All |
| Operating System | Cisco | Ios | 12.3xd | All | All | All |
| Operating System | Cisco | Ios | 12.3xe | All | All | All |
| Operating System | Cisco | Ios | 12.3xf | All | All | All |
| Operating System | Cisco | Ios | 12.3xg | All | All | All |
| Operating System | Cisco | Ios | 12.3xi | All | All | All |
| Operating System | Cisco | Ios | 12.3xk | All | All | All |
| Operating System | Cisco | Ios | 12.3xl | All | All | All |
| Operating System | Cisco | Ios | 12.3xq | All | All | All |
| Operating System | Cisco | Ios | 12.3xr | All | All | All |
| Operating System | Cisco | Ios | 12.3xs | All | All | All |
| Operating System | Cisco | Ios | 12.3xu | All | All | All |
| Operating System | Cisco | Ios | 12.3xw | All | All | All |
| Operating System | Cisco | Ios | 12.3xx | All | All | All |
| Operating System | Cisco | Ios | 12.3xy | All | All | All |
| Operating System | Cisco | Ios | 12.3xz | All | All | All |
| Operating System | Cisco | Ios | 12.3ya | All | All | All |
| Operating System | Cisco | Ios | 12.3yd | All | All | All |
| Operating System | Cisco | Ios | 12.3yf | All | All | All |
| Operating System | Cisco | Ios | 12.3yg | All | All | All |
| Operating System | Cisco | Ios | 12.3yh | All | All | All |
| Operating System | Cisco | Ios | 12.3yj | All | All | All |
| Operating System | Cisco | Ios | 12.3yk | All | All | All |
| Operating System | Cisco | Ios | 12.3ym | All | All | All |
| Operating System | Cisco | Ios | 12.3yq | All | All | All |
| Operating System | Cisco | Ios | 12.3ys | All | All | All |
| Operating System | Cisco | Ios | 12.3yt | All | All | All |
| Operating System | Cisco | Ios | 12.3yu | All | All | All |
| Operating System | Cisco | Ios | 12.3yx | All | All | All |
| Operating System | Cisco | Ios | 12.3yz | All | All | All |
| Operating System | Cisco | Ios | 12.3za | All | All | All |
| Operating System | Cisco | Ios | 15.0 | All | All | All |
| Operating System | Cisco | Ios | 15.0m | All | All | All |
| Operating System | Cisco | Ios | 15.0mr | All | All | All |
| Operating System | Cisco | Ios | 15.0mra | All | All | All |
| Operating System | Cisco | Ios | 15.0s | All | All | All |
| Operating System | Cisco | Ios | 15.0sa | All | All | All |
| Operating System | Cisco | Ios | 15.0sg | All | All | All |
| Operating System | Cisco | Ios | 15.0xa | All | All | All |
| Operating System | Cisco | Ios | 15.0xo | All | All | All |
| Operating System | Cisco | Ios | 15.0\(1\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.0\(1\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.0\(1\)se | All | All | All |
| Operating System | Cisco | Ios | 15.1 | All | All | All |
| Operating System | Cisco | Ios | 15.1ey | All | All | All |
| Operating System | Cisco | Ios | 15.1gc | All | All | All |
| Operating System | Cisco | Ios | 15.1m | All | All | All |
| Operating System | Cisco | Ios | 15.1s | All | All | All |
| Operating System | Cisco | Ios | 15.1t | All | All | All |
| Operating System | Cisco | Ios | 15.1xb | All | All | All |
| Operating System | Cisco | Ios | 15.1\(1\)xb1 | All | All | All |
| Operating System | Cisco | Ios | 15.1\(2\)t | All | All | All |
| Operating System | Cisco | Ios | 15.1\(3\)t | All | All | All |
| Operating System | Cisco | Ios | 15.1\(4\)m | All | All | All |
| Operating System | Cisco | Ios | 15.1\(4\)m1 | All | All | All |
| Operating System | Cisco | Ios | 15.2 | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.0sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.xs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.xs | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.0\(1a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.0\(1b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(1a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(1b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(1\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(2\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(3a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(3b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(3\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(4a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(4b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(4\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 6.1\(5\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(1\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(2a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(2b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(2\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5b\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5b\)su1a | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5b\)su2 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5b\)su3 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5b\)su4 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0 | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0\(1\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0\(2a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0\(2b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0\(2c\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0\(2\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0\(3a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0\(3\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.5\(1\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.5\(1\)su2 | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.5\(1\)su3 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco Security Advisory: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| osvdb.org/85816 | af854a3a-2127-422b-91ae-364da2661108 | osvdb.org | Broken Link |
| Cisco Security Advisory: Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| Security Advisory SA50774 - Cisco IOS / IOS XE SIP Denial of Service Vulnerability - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Not Applicable |
| Cisco IOS and Unified Communications Manager (CVE-2012-3949) Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.