CVE-2017-6747
CriticalSummary
A vulnerability in the authentication module of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass local authentication. The issue is due to improper handling of authentication requests and policy assignment for externally authenticated users.
Risk Assessment
An attacker could gain Super Admin privileges for the ISE Admin portal, posing a serious security threat to the system. This affects the integrity and confidentiality of the data managed by ISE.
Recommendation
It is recommended to upgrade Cisco ISE to version 2.2.x or higher to mitigate this vulnerability. Additionally, monitoring authentication logs for potential exploitation attempts is advised.
Original NVD description (English source)
A vulnerability in the authentication module of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass local authentication. The vulnerability is due to improper handling of authentication requests and policy assignment for externally authenticated users. An attacker could exploit this vulnerability by authenticating with a valid external user account that matches an internal username and incorrectly receiving the authorization policy of the internal account. An exploit could allow the attacker to have Super Admin privileges for the ISE Admin portal. This vulnerability does not affect endpoints authenticating to the ISE. The vulnerability affects Cisco ISE, Cisco ISE Express, and Cisco ISE Virtual Appliance running Release 1.3, 1.4, 2.0.0, 2.0.1, or 2.1.0. Release 2.2.x is not affected. Cisco Bug IDs: CSCvb10995.