CVE-2021-20094
A denial of service vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to crash the CodeMeter Runtime Server. Date published : 2021-06-16 https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-02.pdf