The DOM XML parser and SAX XML parser components of TIBCO Software Inc.'s TIBCO Managed File Transfer Command Center, TIBCO Managed File Transfer Command Center, TIBCO Managed File Transfer Internet Server, and TIBCO Managed File Transfer Internet Server contains an easily exploitable vulnerability that allows an unauthenticated attacker with network access to execute XML External Entity (XXE) attacks on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO Managed File Transfer Command Center: versions 8.3.1 and below, TIBCO Managed File Transfer Command Center: versions 8.4.0 and 8.4.1, TIBCO Managed File Transfer Internet Server: versions 8.3.1 and below, and TIBCO Managed File Transfer Internet Server: versions 8.4.0 and 8.4.1.