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Vulnerabilities

Vulnerability · CVE-2024-22255

VMware ESXi, Workstation, and Fusion UHCI USB Controller Vulnerability

Published Oct 11, 2024 · catalog updated Oct 11, 2024 · VMware ESXi, Workstation, and Fusion

Patch now

CVE-2024-22255 is in the CISA known-exploited catalog. Confirm VMware ESXi, Workstation, and Fusion against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.31%
Remediation
Remediation guidance
Affected products
vendor VMware ESXi, Workstation, and Fusion

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability in the UHCI USB controller. A malicious actor with administrative access to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor VMware ESXi, Workstation, and Fusionversion unspecified

How to fix CVE-2024-22255

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2024-22255 is in the CISA known-exploited catalog. Confirm VMware ESXi, Workstation, and Fusion against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 2.31%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 11, 2024 · VulnCheck KEV

    Detected

    VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability in the UHCI USB controller. A malicious actor with administrative access to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

  2. Oct 11, 2024 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2024-22255

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-22255

    30-day exploitation probability 2.3%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2024-22255

    VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability in the UHCI USB controller. A malicious actor with administrative access to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.