UNKNOWNKNOWN EXPLOITED

CVE-2023-20867

VMware Tools Authentication Bypass Vulnerability

Published: 2023-06-23
Modified: 2026-07-31
Sources: cisa-kev

Summary

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.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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