Provide references for CVE-2021-21978.
Where can I find more information about CVE-2021-21978?
References are available at: https://www.vmware.com/security/advisories/VMSA-2021-0003.html, http://packetstormsecurity.com/files/161879/VMware-View-Planner-4.6-Remote-Code-Execution.html.