Red Hat Network (RHN) Satellite 5.3 and 5.4 exposes a dangerous, obsolete XML-RPC API, which allows remote authenticated users to access arbitrary files and cause a denial of service (failed yum operations) via vectors related to configuration and package group (comps.xml) files for channels.
Category : Permissions, Privileges, and Access Controls Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.