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AUSCERT External Security Bulletin Redistribution
Cisco Unified Communications Manager Web Management
Interface Cross-Site Scripting Filter Bypass Vulnerability
21 December 2015
AusCERT Security Bulletin Summary
Product: Cisco Unified Communications Manager
Publisher: Cisco Systems
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Cross-site Scripting -- Remote with User Interaction
CVE Names: CVE-2015-4206
Comment: AusCERT recommends that users verify unsolicited links as a temporary
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Cisco Unified Communications Manager Web Management Interface Cross-Site
Scripting Filter Bypass Vulnerability
2015 December 14 00:00 GMT
Base - 4.0
No workarounds available
Cisco Bug IDs:
A cross-site scripting (XSS) filter bypass vulnerability in the web management
interface of Cisco Unified Communications Manager (UCM) versions 8.0 through
8.6 could allow an unauthenticated, remote attacker to mount XSS attacks
against a user of an affected device.
The vulnerability is due to a failure to properly call XSS filter subsystems
when a URL contains a certain parameter. An attacker that can convince an
authenticated user of an affected device to follow an attacker-provided link
or visit an attacker-controlled website could exploit this vulnerability to
execute arbitrary code in the context of the affected site on the user's
Cisco has not released software updates that address this vulnerability. There
are no workarounds that address this vulnerability.
This advisory is available at the following link:
Cisco Unified Communications Manager versions 8.0 through 8.6 are vulnerable.
Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by this
There are no workarounds that address this vulnerability.
When considering software upgrades, customers are advised to consult the Cisco
Security Advisories and Responses archive at http://www.cisco.com/go/psirt and
review subsequent advisories to determine exposure and a complete upgrade
In all cases, customers should ensure that the devices to upgrade contain
sufficient memory and confirm that current hardware and software
configurations will continue to be supported properly by the new release. If
the information is not clear, customers are advised to contact the Cisco
Technical Assistance Center (TAC) or their contracted maintenance providers.
Exploitation and Public Announcements
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any
public announcements or malicious use of the vulnerability that is described
in this advisory.
Version Description Section Status Date
1.0 Initial public release Ã¢Â€Â” Final 2015-December-14
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF
GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS
LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO
CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A standalone copy or paraphrase of the text of this document that omits the
distribution URL is an uncontrolled copy and may lack important information or
contain factual errors. The information in this document is intended for end
users of Cisco products.
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