CVE-2021-22045

mediumpriority · track · 33EPSS 0.047 · 92 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

4.68% (92nd) EPSS

CVSS 6.9 · medium

Is it mine?

15 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-26

VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.0) contains a heap-overflow vulnerability in CD-ROM device emulation. A malicious actor with access to a virtual machine with CD-ROM device emulation may be able to exploit this vulnerability in conjunction with other issues to execute code on the hypervisor from a virtual machine.

cvss

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

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.1 · impact 6

v3.17.8highAV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-787US

affected products (15)

Products and version ranges known to be affected.

n/a VMware ESXi, VMware Workstation and VMware Fusion≤ VMware ESXi (7.0, 6.7 before ESXi670-202111101-SG and 6.5 before ESXi650-202110101-SG), VMware Workstation (16.2.0) and VMware Fusion (12.2.0)enisa_euvdEU
Broadcom Inc. VMWare Workstation16.0.0 → 16.2.0fstec_bduRU
Broadcom Inc. VMware Cloud Foundation≤ 3.11fstec_bduRU
Broadcom Inc. VMware Cloud Foundation4.0 → 4.4fstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi650-202110101-SGfstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi670-202111101-SGfstec_bduRU
Broadcom Inc. VMware ESXi≤ ESXi70U3c-19193900fstec_bduRU
Broadcom Inc. VMware Fusion12.0.0 → 12.2.0fstec_bduRU
vmware cloud foundation3.0 → 3.10.2.2nvdUScpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware cloud foundation4.0 → 4.3.1nvdUScpe: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= 7.0nvdUScpe:2.3:o:vmware:esxi:*:*:*:*:*:*:*:*
vmware fusion12.0.0 → 12.2.0nvdUScpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
vmware workstation16.0.0 → 16.2.0nvdUScpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*

also known as (5)

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 2022-01-04modified 2026-06-17

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+16035 more

references (13)

External citations — patches, advisories, analysis.

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