CVE-2023-20867

VMware Tools contains an authentication bypass vulnerability in the vgauth module. A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine. An attacker must have root access over ESXi to exploit this vulnerability. Vendor/Product: VMware Tools. Added to CISA KEV 2023-06-23; required action: Apply updates per vendor instructions.