CVE-2020-3981

lowpriority · track · 23EPSS 0.008 · 56 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.80% (56th) EPSS

CVSS 3.5 · low

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6) contain an out-of-bounds read vulnerability due to a time-of-check time-of-use issue in ACPI device. A malicious actor with administrative access to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.5–7.1

v2.03.5lowAV:N/AC:M/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.8mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 1.3 · impact 4

v3.17.1highAV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-125USprimaryCWE-367USprimaryCWE-125US

affected products (14)

Products and version ranges known to be affected.

n/a VMware ESXi, Workstation, Fusion≤ VMware ESXi (7.0 before ESXi_7.0.1-0.0.16850804, 6.7 before ESXi670-202008101-SG, 6.5 before ESXi650-202007101-SG), Workstation (15.x), Fusion (11.x before 11.5.6)enisa_euvdEU
Broadcom Inc. VMware Cloud Foundation≤ 3.10.1fstec_bduRU
Broadcom Inc. VMware Cloud Foundation≤ 4.1fstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi670-202008101-SGfstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi650-202007101-SGfstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi_7.0.1-0.0.16850804fstec_bduRU
Broadcom Inc. VMware Fusion≤ 11.5.6fstec_bduRU
vmware cloud foundation3.0 → 3.10.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation4.0 → 4.1nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware esxi= 6.5nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware esxi= 6.7nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware esxi= 7.0.0nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware fusion11.0 → 11.5.6nvdUScpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
vmware workstation15.0.0 → 15.5.6nvdUScpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-10-20modified 2026-06-17

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+12925 more

references (9)

External citations — patches, advisories, analysis.

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