Cisco Unified Computing System Director contains a vulnerability that could allow an unauthenticated, remote attacker to take complete control of the affected device. Updates are available.
A vulnerability in Cisco Unified Computing System (UCS) Director could allow an unauthenticated, remote attacker to take complete control of the affected device.
The vulnerability is due to a default root user account created during installation. An attacker could exploit this vulnerability by accessing the server command-line interface (CLI) remotely using the default account credentials. An exploit could allow the attacker to log in with the default credentials, which provide full administrative rights to the system.
Cisco has confirmed the vulnerability in a security advisory and has released software updates.
Cisco UCS Director versions prior to 220.127.116.11 are affected.
To exploit this vulnerability, an attacker may need access to trusted, internal networks and the location of targeted device, which may require footprinting the network. An attacker who locates the targeted device could attempt to log in the device with the default credentials from the CLI, which could be access via SSH.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
An unauthenticated, remote attacker could exploit this vulnerability to gain complete control of an affected device.
The vulnerability is due to a default root user account created during the installation of the Cisco UCS Director.
An unauthenticated, remote attacker could exploit this vulnerability by accessing the server CLI remotely using the default account credentials. An exploit could allow the attacker to log in with the default credentials, which provide full administrative rights to the system and could result in a complete system compromise.
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.
Cisco customers with active contracts can obtain updates through the Software Center at the following link: Cisco. Cisco customers without contracts can obtain upgrades by contacting the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at firstname.lastname@example.org.
The security vulnerability applies to the following combinations of products.
Cisco Unified Computing System Director
3.4 Base | 4.0 Base
Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the
Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service.
This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.