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CVE-2023-20872

HighPublished

VMware Workstation and Fusion contain an out-of-bounds read/write vulnerability in SCSI CD/DVD device emulation.

Published: Apr 25, 2023
Updated: Feb 4, 2025
Assigning CNA: vmware
Evidence observed: Aug 5, 2026

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 56.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

VMware Workstation and Fusion contain an out-of-bounds read/write vulnerability in SCSI CD/DVD device emulation.

Sources

vmware-escape-CVE-2023-20872-pocPoC
Proof-of-concept exploit for CVE-2023-20872, demonstrating VMware guest-to-host escape via a crafted binary payload targeting hypervisor memory corruption.

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