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

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Cisco Unified Communications Manager up to 7.x. Affected by this issue is some unknown functionality. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2011-2562. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

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 databases at X-Force (69402), SecurityFocus (BID 49302†) and Vulnerability Center (SBV-33447†). See VDB-58377 and VDB-58376 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Unified Communication Software

Vendor

Cisco

Name

Unified Communications Manager

Version

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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 (🔍)
GCVE (CVE): GCVE-0-2011-2562
GCVE (VulDB): GCVE-100-58378
X-Force: 69402
SecurityFocus: 49302 - Cisco Unified Communications Manager (CUCM) Multiple Denial of Service Vulnerabilities
Vulnerability Center: 33447 - [cisco-sa-20110824-cucm] Cisco Unified Communications Manager Remote DoS via a SIP INVITE Message, Medium

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: 🔍
Cache ID: 216:D48:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.