What is CVE-2020-3972?

CVE-2020-3972 is a low-severity vulnerability in Apple macOS. CVSS score: 3.3/10. Published 2020-06-19.

How severe is CVE-2020-3972?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Apple macOS

CVE-2020-3972

VMware Tools for macOS (11.x.x and prior before 11.1.1) contains a denial-of-service vulnerability in the Host-Guest File System (HGFS) implementation. Successful exploitation of this issue may allow attackers with non-admin privileges on guest macOS virtual machines to create a denial-of-service condition on their own VMs.

Published 2020-06-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (31.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Apple macOS
VMware Tools
VMware Tools For macOS — versions VMware Tools for macOS (11.x.x and prior before 11.1.1)

References

www.vmware.com/security/advisories/VMSA-2020-0014.html (Vendor Advisory)

Frequently asked questions

What is CVE-2020-3972?: CVE-2020-3972 is a low-severity vulnerability in Apple macOS. CVSS score: 3.3/10. Published 2020-06-19.
How severe is CVE-2020-3972?: Low severity. CVSS v3 base score is 3.3 out of 10.