CVE-2011-2561
Summary
| CVE | CVE-2011-2561 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2011-08-29 15:55:01 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does not properly handle SDP data within a SIP call in certain situations related to use of the g729ar8 codec for a Media Termination Point (MTP), which allows remote attackers to cause a denial of service (service outage) via a crafted call, aka Bug ID CSCtc61990. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:M/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Cisco | Unified Communications Manager | 7.0\(1\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.0\(1\)su1a | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.0\(2a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.0\(2a\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.0\(2a\)su2 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.0\(2\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(2a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(2a\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(2b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(2b\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3a\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3a\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3a\)su1a | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3b\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3b\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(3b\)su2 | 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\(5\) | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5\)su1 | All | All | All |
| Application | Cisco | Unified Communications Manager | 7.1\(5\)su1a | All | All | All |
| Application | Cisco | Unified Communications Manager | 8.0 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco Security Advisory: Cisco Unified Communications Manager Denial of Service Vulnerabilities - Cisco Systems | af854a3a-2127-422b-91ae-364da2661108 | www.cisco.com | Vendor Advisory |
| 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.