The vCenter Server contains multiple local privilege escalation vulnerabilities due to improper permissions of files and directories. An authenticated local user with non-administrative privilege may exploit these issues to elevate their privileges to root on vCenter Server Appliance.
http://packetstormsecurity.com/files/170116/VMware-vCenter-vScalation-Privilege-Escalation.html
https://www.vmware.com/security/advisories/VMSA-2021-0020.html