CVE-2021-22040
high-risk
Published 2022-02-16
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.
Do I need to act?
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0.66% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.7/10
Medium
LOCAL
/ LOW complexity
Affected Products (20)
Affected Vendors
56
/ 100
high-risk
Severity
21/34 · High
Exploitability
2/34 · Minimal
Exposure
33/34 · Critical