Cisco Unified Communications Manager up to 7.x denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2$0-$5k0.05

A vulnerability has been found in Cisco Unified Communications Manager up to 7.x (Unified Communication Software) and classified as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (service outage) via a SIP INVITE message, aka Bug ID CSCth43256.

The weakness was presented 08/29/2011 (Website). The advisory is available at cisco.com. This vulnerability was named CVE-2011-2562. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 7.1%282a%29su1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (69402). See 58377 and 58376 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unified Communications Manager 7.1%282a%29su1

Timelineinfo

06/27/2011 🔍
08/24/2011 +58 days 🔍
08/24/2011 +0 days 🔍
08/29/2011 +5 days 🔍
08/29/2011 +0 days 🔍
10/04/2011 +36 days 🔍
03/23/2015 +1266 days 🔍
11/18/2021 +2432 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Not defined

CVE: CVE-2011-2562 (🔍)
X-Force: 69402
Vulnerability Center: 33447 - [cisco-sa-20110824-cucm] Cisco Unified Communications Manager Remote DoS via a SIP INVITE Message, Medium
SecurityFocus: 49302 - Cisco Unified Communications Manager (CUCM) Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/18/2021 10:07
Changes: 03/23/2015 16:50 (50), 04/03/2017 17:43 (8), 11/18/2021 10:07 (3)
Complete: 🔍

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