On F5 BIG-IP 16.1.x versions prior to 16.1.2.2 15.1.x versions prior to 15.1.5.1 14.1.x versions prior to 14.1.4.6 13.1.x versions prior to 13.1.5 and all versions of 12.1.x and 11.6.x a directory traversal vulnerability exists in iControl SOAP that allows an authenticated attacker with at least guest role privileges to read wsdl files in the BIG-IP file system. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated