Actively exploited in the wild
VMware Tools Authentication Bypass Vulnerability
VMware - Tools · Listed in the CISA KEV since 2023-06-23. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2023-20867
LowCVSS 3.9KEVSummary
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.
Risk Assessment
An attacker with control over the ESXi host can compromise the confidentiality and integrity of guest virtual machine data.
Recommendation
Update VMware Tools to the latest version containing security patches.
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Original NVD description (English source)
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.