Multiple Vulnerabilities in Cisco Security Products

Number: AV15-022
Date: 11 March 2015


The purpose of this advisory is to bring attention to multiple vulnerabilities in Cisco TelePresence Video Communication Server, Cisco Expressway, and Cisco TelePresence Conductor.


Cisco has released software updates that will address the following vulnerabilities:

  1. SDP Media Description Denial of Service Vulnerability
  2. Authentication Bypass Vulnerability

CVE References: CVE-2015-0652 and CVE-2015-0653

Suggested action

CCIRC recommends that system administrators identify their affected assets and potential interdependencies with their organization's critical services, and follow their patch management process accordingly.


Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589

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