Incorrect access control in the /api/License/deactivateOffline endpoint of CAXPerts UniversalPlantViewer WebServices Server v2.7.6 allows authenticated attackers with low-level privileges to cause a Denial of Service (DoS) via removing the license from the webserver.
https://universalplantviewer.com
https://medium.com/@hacker.dan/hello-world-first-post-first-cve-6671b82e2b71