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CVE-2021-22041

MEDIUMCVSS 6.7/10EPSS 0.55%

Last modified

CVE-2021-22041 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. VMware ESXi, Workstation, and Fusion contain a double-fetch vulnerability in the UHCI 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.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

VMware ESXi, Workstation, and Fusion contain a double-fetch vulnerability in the UHCI 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.

Metrics

CVSS 3.1
6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.55%

41.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
VmwareCloud Foundation>= 3.0, < 3.11—
VmwareCloud Foundation>= 4.0, < 4.4—
VmwareFusion>= 12.0.0, < 12.2.1—
VmwareFusionAll versions—
VmwareWorkstation>= 16.0.0, < 16.2.1—
VmwareEsxi6.5650-202202401
VmwareEsxi6.7—
VmwareEsxi7.0Update 1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-22041?
VMware ESXi, Workstation, and Fusion contain a double-fetch vulnerability in the UHCI 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.
How severe is CVE-2021-22041?
CVE-2021-22041 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22041?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22041?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST