CVE-2020-3982

mediumpriority · track · 31EPSS 0.008 · 58 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.83% (58th) EPSS

CVSS 4.9 · medium

Is it mine?

15 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 write 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 vulnerability to crash the virtual machine's vmx process or corrupt hypervisor's memory heap.

cvss

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

7.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.7

v2.04.9mediumAV:N/AC:M/Au:S/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 6.8 · impact 4.9

v3.17.7highCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 1.3 · impact 5.8

v3.15.9mediumAV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-367USprimaryCWE-787USprimaryCWE-787US

affected products (15)

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 → 15.5.6nvdUScpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
vmware workstation player15.0 → 15.5.6nvdUScpe:2.3:a:vmware:workstation_player:*:*:*:*:*:*:*:*

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

related (17,175)

Related entries.

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+17170 more

references (9)

External citations — patches, advisories, analysis.

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