CVE-2023-34044: Information disclosure vulnerability in bluetooth device-sharing functionality

Severity: medium (CVSS 6.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-20 · updated 2026-06-17
Weakness: CWE-125

Description

VMware Workstation( 17.x prior to 17.5) and Fusion(13.x prior to 13.5) contain an out-of-bounds read vulnerability that exists in the functionality for sharing host Bluetooth devices with the virtual machine. A malicious actor with local administrative privileges on a virtual machine may be able to read privileged information contained in hypervisor memory from a virtual machine.

Affected products

VMware Fusion: from 13.0.0 before 13.5 — fixed in 13.5
VMware Workstation: from 17.0.0 before 17.5 — fixed in 17.5
VMware Fusion: from 13.x before 13.5 — fixed in 13.5
VMware Workstation: from 17.x before 17.5 — fixed in 17.5

How to fix

Upgrade to a fixed version: VMware Fusion 13.5; VMware Workstation 17.5; VMware Fusion 13.5; VMware Workstation 17.5. Check the vendor advisory for mitigations.

References

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