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AUSCERT External Security Bulletin Redistribution
Cisco Unified Computing System Fabric Interconnect Remote
4 October 2013
AusCERT Security Bulletin Summary
Product: Cisco Unified Computing System
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
CVE Names: CVE-2012-4136
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Cisco Security Notice
Cisco Unified Computing System Fabric Interconnect Remote Access Vulnerability
CVE ID: CVE-2012-4136
Release Date: 2013 September 25 19:35 UTC (GMT)
Last Updated: 2013 September 27 02:07 UTC (GMT)
A vulnerability in the high availability service of Cisco Unified Computing
System Fabric Interconnect could allow an unauthenticated, remote attacker to
gain access to sensitive information and prevent the cluster service from
syncing with its peers.
The vulnerability is due to improper binding of the cluster service to the
management interface. An attacker could exploit this vulnerability by
establishing a Telnet connection to the cluster service from a remote location.
A successful exploit could allow the attacker to gain access to sensitive
information and modify a field that results in the cluster service unable to
sync with its peers.
Product More Information CVSS
Cisco Unified Computing System (Managed) CSCtz72910 5.8/4.8
What Is a Cisco Security Notice?
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Security Notices to inform customers of low- to mid-level severity security
issues involving Cisco products.
Customers who wish to upgrade to a software version that includes fixes for
these issues should contact their normal support channels. Free software
updates will not be provided for issues that are disclosed through a Cisco
For additional information about Cisco PSIRT publications, see the Cisco
Security Vulnerability Policy at
Customers Using Third-Party Support Organizations
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prior or existing agreements with third-party support organizations, such as
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customers should consult their service providers or support organizations to
ensure that any applied workaround or fix is the most appropriate in the
intended network before it is deployed.
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or contain factual errors.
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