Cisco Security Advisory
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AV:N/AC:L/Au:S/C:P/I:N/A:N/E:F/RL:OF/RC:C
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A vulnerability in edge devices of the Cisco Unified Communications Manager using Mobile and Remote Access (MRA) services could allow an unauthenticated, remote attacker to perform an identity theft attack.
The vulnerability is due to improper identity validation of the edge devices. An attacker could exploit this vulnerability by spoofing a user's identity and taking ownership of the edge device. A successful exploit will allow the attacker to setup and receive voice calls acting as the registered user of the device.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-ucm
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There are no workarounds that address this vulnerability.
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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 solution.
In all cases, customers should ensure that the devices to be upgraded 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.
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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.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial public release — Final 2015-December-09
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