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CVE-2023-20867

VMware Tools

VMware Tools Authentication Bypass Vulnerability

What it is

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.

What to do

Apply updates per vendor instructions.

Vendor notices and references

Description and required action as published by CISA. Full record at NVD.

CloudCentric · Mount Pleasant, SC · serving Charleston and the Lowcountry(844) 422-7000