SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 device emulation.

HIGH 7.8EPSS 4.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
4.68% probability · 91th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
vmware/cloud foundation · vmware/workstation · vmware/fusion · vmware/esxi
Source
security@vmware.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.