CriticalCVECISA — Known Exploited Vulnerabilities· 23 Jun 2023

CVE-2023-20867 — VMware Tools Authentication Bypass Vulnerability

Severity: Critical · Kind: Vulnerability

Plain-English summary on the way

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From the source

VMware Tools. 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. Required action: Apply updates per vendor instructions.

Vulnerability facts

CVE: CVE-2023-20867
On CISA KEV since: 2023-06-23
Ransomware use: Unknown

Read the original advisory →← All threat intel

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.