The device has an installed and enabled affected version of the Cisco REST API virtual service container.Ĭisco has released a fixed version of the REST API virtual service container.
CISCO IOS XE SOFTWARE
The device runs an affected Cisco IOS XE Software release.This vulnerability affects Cisco devices when all of the following conditions are met: Service container is enabled, the underlying Cisco IOS XE device is If a vulnerable release of the Cisco REST API virtual This vulnerability resides in the Cisco REST API virtual serviceĬontainer however, it affects devices running Cisco IOS XE Software This advisory is available at the following link: There are no workarounds that address this vulnerability. See the Details section for more information.Ĭisco has released software updates that address this vulnerability. The REST API interface is not enabled by default and must be installed and activated separately on IOS XE devices. This token-id could be used to bypass authentication and execute privileged actions through the interface of the REST API virtual service container on the affected Cisco IOS XE device. A successful exploit could allow the attacker to obtain the token-id of an authenticated user. An attacker could exploit this vulnerability by submitting malicious HTTP requests to the targeted device. The vulnerability is due to an improper check performed by the area of code that manages the REST API authentication service. A vulnerability in the Cisco REST API virtual service container for Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass authentication on the managed Cisco IOS XE device.