CISA Known Exploited Vulnerability (KEV)
VMware ESXi Authentication Bypass Vulnerability
July 30, 2024
August 20, 2024
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
VMware ESXi contains an authentication bypass vulnerability. A malicious actor with sufficient Active Directory (AD) permissions can gain full access to an ESXi host that was previously configured to use AD for user management https://blogs.vmware.com/vsphere/2012/09/joining-vsphere-hosts-to-active-directory.html by re-creating the configured AD group (‘ESXi Admins’ by default) after it was deleted from AD.