ONOS ONOS Controller version 1.13.1 and earlier contains a XML External Entity (XXE) vulnerability in providers/netconf/alarm/src/main/java/org/onosproject/provider/netconf/alarm/NetconfAlarmTranslator.java that can result in An adversary can remotely launch advanced XXE attacks on ONOS controller without authentication.. This attack appear to be exploitable via crafted protocol message.