Citrix has released security updates to address vulnerabilities (CVE-2021-28694, CVE-2021-28697, CVE-2021-28698, CVE-2021-28699, CVE-2021-28701) in Citrix Hypervisor. An attacker could exploit these vulnerabilities to take control of an affected system. Citrix recommends customers install these updates. More information on vulnerabilities and updates is available in the Citrix Security Bulletin – citrix.com.