Install the Citrix security vulnerabilities update to patch critical Citrix security vulnerabilities affecting XenServer hypervisors and Scout gateways.
XenServer
A Citrix security update fixes seven XenServer and UniconOS flaws, including guest-to-host and privilege escalation bugs. Patch hosts and thin clients.
Jakob Wolffhechel reveals "Shittrix," 89 critical flaws in Citrix XenServer & XCP-ng. CVSS 9.9 bugs allow full host takeover. Assume compromise today.
Citrix has patched high-severity flaws in XenServer VM Tools for Windows that could allow attackers to compromise guest VMs. Update to version 9.4.1.