Cisco Security Advisory
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AV:N/AC:L/Au:N/C:N/I:P/A:N/E:F/RL:U/RC:C
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A vulnerability in certificate validation for Autonomic Networking Infrastructure (ANI) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to masquerade as another device.
The vulnerability is due to incomplete certificate validation. An attacker could exploit this vulnerability by sending crafted messages to the ANI device.
Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.
To exploit this vulnerability, an attacker may need access to trusted, internal networks in which the targeted system may reside, in order to send crafted messages to the device. This access requirement may reduce the likelihood of a successful exploit.
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Customers are advised to consult Cisco bug ID CSCuq22677 for the most complete list of affected product versions.
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Administrators are advised to allow only trusted users to have network access.
Administrators can help protect affected systems from external attacks by using a solid firewall strategy.
Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.
Administrators are advised to monitor affected systems.
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Software updates are not available.
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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 Release NA Final 2014-Oct-10
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