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CVE-2023-20867

VMware Tools Authentication Bypass Vulnerability

Description

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.

Recommended action

Apply updates per vendor instructions.

CISA remediation due date for U.S. federal agencies: 14 Jul 2023.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.