Permissions enforced by iControl can lag behind the actual permissions assigned to a user if the role_map is not reloaded between the time the permissions are changed and the time of the user’s next request. This is a race condition that occurs rarely in normal usage; the typical period in which this is possible is limited to at most a few seconds after the permission change. (CVE-2016-9256)
Impact
When an iControl user has administrative privileges that are later downgraded, the user will still be able to use their previous permissions using iControl until the role map reloads.