Cisco Unified Communications Manager prior 4.1%283%29sr4 denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability has been found in Cisco Unified Communications Manager (Unified Communication Software) and classified as critical. Affected by this vulnerability is an unknown part. 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. The summary by CVE is:
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); and Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4); allows remote attackers to cause a denial of service (TCP services outage) via a large number of TCP connections, related to "tracking of network connections," aka Bug IDs CSCsq22534 and CSCsw52371.
The weakness was published 08/27/2009 with Cisco (Website). It is possible to read the advisory at cisco.com. This vulnerability is known as CVE-2009-2052. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 4.1%283%29sr4 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (52815). Similar entries are available at 49677, 49676, 49674 and 49673.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
ATT&CK: T1499
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Unified Communications Manager 4.1%283%29sr4
Timeline
06/12/2009 🔍08/18/2009 🔍
08/27/2009 🔍
08/27/2009 🔍
09/01/2009 🔍
10/14/2009 🔍
03/18/2015 🔍
08/20/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Not defined
CVE: CVE-2009-2052 (🔍)
X-Force: 52815
Vulnerability Center: 23342 - [cisco-sa-20090826-cucm] Cisco CUCM Remote DoS Vulnerability via a Large TCP Connections, High
SecurityFocus: 36676 - Cisco Unified Presence Track Network Connection Denial of Service Vulnerability
See also: 🔍
Entry
Created: 03/18/2015 15:15Updated: 08/20/2021 14:51
Changes: 03/18/2015 15:15 (50), 02/13/2017 10:34 (9), 08/20/2021 14:51 (3)
Complete: 🔍
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