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7.8

CVE-2021-22045: 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 devic...

CVE-2021-22045 · published 4 years ago
Summary

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 abl...

What to do
  • Update vmware workstation to version 16.2.0 or later.
  • Update vmware fusion to version 12.2.0 or later.
Affected software
VendorProductAffected versions
vmware cloud_foundation >= 3.0, <= 3.10.2.2
>= 4.0, <= 4.3.1
cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
vmware workstation >= 16.0.0, < 16.2.0
cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
vmware fusion >= 12.0.0, < 12.2.0
cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*
vmware esxi 6.5
6.7
7.0
cpe:2.3:o:vmware:esxi:6.5:-:*:*:*:*:*:*
Original advisory text
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 devic...
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.
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
7.8 High
Exploitation
5% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published4 Jan 2022
Updated30 Oct 2026
First seen29 Sep 2026
Sources
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