Cisco Secure Access Control System contains a vulnerability that could allow an authenticated, remote attacker to gain unauthorized access. Updates are available.
A vulnerability in the portal interface of Cisco Secure Access Control System (ACS) could allow an authenticated, remote attacker to access the portal with the access capabilities of another user.
The vulnerability is due to insufficient session management in the portal. An attacker could exploit this vulnerability by hijacking the session of a previously authenticated user. An exploit could allow the attacker to perform actions in the portal with the privileges of another user.
Cisco has confirmed the vulnerability in a security notice and released software updates.
At the time this alert was first published, Cisco Secure ACS version 5.4 (.046.3) and prior were vulnerable. Other versions of Cisco Secure ACS may also be vulnerable.
To exploit this vulnerability, an attacker must authenticate to the targeted device. This access requirement decreases the likelihood of a successful exploit.
Cisco has released a security notice at the following link: CVE-2014-0678
Customers are advised to consult Cisco bug ID CSCue65951 for the most complete list of affected product versions.
An authenticated, remote attacker could exploit this vulnerability to gain access to the portal with the privileges of another user. A successful exploit could be used to conduct further attacks.
The vulnerability is due to insufficient session management in the portal interface of an affected device.
An authenticated, remote attacker could exploit this vulnerability by hijacking the session of a previously authenticated user. An exploit could allow the attacker to perform actions in the portal with the privileges of another user, which could be used to conduct further attacks.
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to monitor affected systems.
Cisco customers with active contracts should contact their Cisco support team for assistance in upgrading to a software version that includes fixes for this vulnerability. Cisco customers without contracts may contact the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at email@example.com for assistance.
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.