CVE-2022-31705

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-14 · updated 2026-06-17
Weakness: CWE-787

Description

VMware ESXi, Workstation, and Fusion contain a heap out-of-bounds write vulnerability in the USB 2.0 controller (EHCI). A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host. On ESXi, the exploitation is contained within the VMX sandbox whereas, on Workstation and Fusion, this may lead to code execution on the machine where Workstation or Fusion is installed.

Affected products

VMware ESXi: 7.0-beta, 7.0-update_1, 7.0-update_1a, 7.0-update_1b, 7.0-update_1c, 7.0-update_1d (+11); 7.0, 8.0
VMware Fusion: from 12.0.0 before 12.2.5 — fixed in 12.2.5
VMware Workstation: from 16.0.0 before 16.2.5 — fixed in 16.2.5
VMware ESXi, VMware Workstation Pro / Player, VMware Fusion Pro / Fusion (Fusion), VMware Cloud Foundation: from VMware ESXi (8.0 prior through ESXi80a-20842819, 7.0 prior to ESXi70U3si-20841705, VMware Workstation Pro / Player (16.x prior to 16.2.5), VMware Fusion Pro / Fusion (12.x prior to 12.2.5), VMware Cloud Foundation (4.x, 3.x)

How to fix

Upgrade to a fixed version: VMware Fusion 12.2.5; VMware Workstation 16.2.5. Check the vendor advisory for mitigations.

References

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