An issue was discovered in RWS WorldServer before 11.7.3. Adding a token parameter with the value of 02 bypasses all authentication requirements. Arbitrary Java code can be uploaded and executed via a .jar archive to the ws-api/v2/customizations/api endpoint.
https://www.triskelelabs.com/vulnerabilities-in-rws-worldserver
https://www.rws.com/localization/products/trados-enterprise/worldserver/