CVE-2021-22040

mediumpriority · track · 27EPSS 0.007 · 54 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.73% (54th) EPSS

CVSS 4.6 · medium

Is it mine?

18 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

VMware ESXi, Workstation, and Fusion contain a use-after-free vulnerability in the XHCI USB controller. 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.

cvss

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

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 4.6–9.1

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 5.9

v3.19.1criticalAV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-416US

affected products (18)

Products and version ranges known to be affected.

n/a VMware ESXi , Workstation, Fusion and VMware Cloud Foundation≤ VMware ESXi (7.0 U3 before ESXi70U3c-19193900, 7.0 U2 before ESXi70U2e-19290878, 7.0 U1 before ESXi70U1e-19324898, ESXi 6.7 before ESXi670-202111101-SG and ESXi 6.5 ESXi650-202202401-SG), Workstation (16.x before 16.2.1), Fusion (12.x before 12.2.1) and VMware Cloud Foundation (4.x before 4.4 and 3.x before 3.11)enisa_euvdEU
Broadcom Inc. VMWare Workstation≤ 16.2.1fstec_bduRU
Broadcom Inc. VMware Cloud Foundation≤ 3.11fstec_bduRU
Broadcom Inc. VMware Cloud Foundation≤ KB87646 (4.4)fstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi650-202202401-SGfstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi670-202111101-SGfstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi70U1e-19324898fstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi70U2e-19290878fstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi70U3c-19193900fstec_bduRU
Broadcom Inc. VMware Fusion≤ 12.2.1fstec_bduRU
vmware cloud foundation3.0 → 3.11nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation4.0 → 4.4nvdUScpe: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= 7.0nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware fusion12.0.0 → 12.2.1nvdUScpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
vmware workstation player16.0.0 → 16.2.1nvdUScpe:2.3:a:vmware:workstation_player:*:*:*:*:*:*:*:*
vmware workstation pro16.0.0 → 16.2.1nvdUScpe:2.3:a:vmware:workstation_pro:*:*:*:*:*:*:*:*

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 2022-02-16modified 2026-06-17

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+12230 more

references (7)

External citations — patches, advisories, analysis.

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