Cisco Unified Communications Manager Multiple DoS Vulnerabilities (cisco-sa-20130227-cucm)

high Nessus Plugin ID 70127
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote host is affected by multiple denial of service vulnerabilities.


According to its self-reported version, the remote Cisco Unified Communications Manager (CUCM) device is affected by one of the following denial of service vulnerabilities :

- A flaw exists in the in the 8.6 branch due to improper processing of malformed packets to unused UDP ports.
A remote, unauthenticated attacker can cause an interruption of voice services and an inability to access the system's Graphical User Interface (GUI).
(CVE-2013-1133 / CSCtx43337)

- A flaw exists in the 9.0 branch due to the lack of authentication for Intracluster Location Bandwidth Manager (LBM) communication. A remote, unauthenticated attacker can poison LBM transaction records resulting in the interruption of voice services. (CVE-2013-1134 / CSCub28920)


Upgrade to Cisco Unified Communications Manager 8.6(2a)su2 / 9.1(1) or later.

See Also

Plugin Details

Severity: High

ID: 70127

File Name: cisco-sa-20130227-cucm.nasl

Version: 1.5

Type: combined

Family: CISCO

Published: 9/25/2013

Updated: 11/15/2018

Dependencies: cisco_ucm_detect.nbin

Risk Information


Risk Factor: Low

Score: 3.4


Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:unified_communications_manager

Required KB Items: Host/Cisco/CUCM/Version, Host/Cisco/CUCM/Version_Display

Exploit Ease: No known exploits are available

Patch Publication Date: 2/27/2013

Vulnerability Publication Date: 2/27/2013

Reference Information

CVE: CVE-2013-1133, CVE-2013-1134

BID: 58219, 58221