Cisco Unified Communications Manager up to 6.1 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-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco Unified Communications Manager up to 6.1. This affects an unknown function. The manipulation leads to denial of service. This vulnerability is listed as CVE-2009-2050. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Unified Communications Manager up to 6.1 (Unified Communication Software). This issue affects an unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Cisco Unified Communications Manager (aka CUCM, formerly CallManager) before 6.1(1) allows remote attackers to cause a denial of service (voice-services outage) via a malformed header in a SIP message, aka Bug ID CSCsi46466.

The weakness was presented 08/26/2009 (Website). The advisory is shared at cisco.com. The identification of this vulnerability is CVE-2009-2050. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.1%281%29 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (52813), SecurityFocus (BID 36152†), OSVDB (57452†), Secunia (SA36499†) and SecurityTracker (ID 1022775†). See VDB-49677, VDB-49676, VDB-49675 and VDB-49674 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Unified Communications Manager 5.1%281%29

Timelineinfo

06/12/2009 🔍
08/18/2009 +67 days 🔍
08/26/2009 +8 days 🔍
08/26/2009 +0 days 🔍
08/26/2009 +0 days 🔍
08/27/2009 +0 days 🔍
08/28/2009 +1 days 🔍
09/01/2009 +3 days 🔍
03/18/2015 +2024 days 🔍
02/03/2025 +3610 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed

CVE: CVE-2009-2050 (🔍)
GCVE (CVE): GCVE-0-2009-2050
GCVE (VulDB): GCVE-100-49673
X-Force: 52813
SecurityFocus: 36152 - Cisco Unified Communications Manager Multiple Denial of Service Vulnerabilities
Secunia: 36499
OSVDB: 57452 - Cisco Unified Communications Manager Unspecified SIP Packet Handling Remote DoS
SecurityTracker: 1022775
Vulnerability Center: 23340 - [cisco-sa-20090826-cucm] Cisco Unified Communications Manager Remote DoS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 02/03/2025 07:55
Changes: 03/18/2015 15:15 (55), 02/13/2017 10:34 (8), 08/20/2021 14:40 (3), 07/27/2024 15:41 (16), 02/03/2025 07:55 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!