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Cisco Unified Computing System Fabric Interconnect Man-In-The-Middle Vulnerability

Cisco-SA-20131018-CVE-2012-4117 · Medium · Published · Updated

A vulnerability in the Fabric Interconnect of Cisco Unified Computing System could allow an unauthenticated, remote attacker to execute a man-in-the-middle attack. The vulnerability is due to improper verification of the server SSL certificate. An attacker could exploit this vulnerability by executing a man-in-the-middle attack. An exploit could allow the attacker to view or modify traffic on the KVM video channel. Cisco has confirmed the vulnerability in a security notice and released software updates. To exploit this vulnerability, it is likely that an attacker would need access to trusted, internal networks in which the targeted device may reside. This access requirement decreases the likelihood of a successful exploit. Cisco indicates through the CVSS score that proof-of-concept exploit code exists; however, the code is not known to be publicly available.

Workarounds

Administrators are advised to apply the appropriate updates.

Administrators are advised to allow only trusted users to have network access.

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.

CVEsCVE-2012-4117
Cisco Bug IDsCSCtr73033
CVSS ScoreBase 4.3
Base 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C
Product Names From Source
Cisco Unified Computing System (Managed)

Related Products

Product CVE Evidence