CISA KEV · Known exploitedMedium

CVE-2025-22226

VMware ESXi, Workstation, and Fusion

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. A malicious actor with administrative privileges to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

CVSS
6
EPSS
1.74%
75.4% percentile
CISA KEV
Listed
Published
2025.03.04
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability1.74%
Technical severityCVSS 6

Vulnerability overview

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. A malicious actor with administrative privileges to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

Affected product and versions

Product
VMware ESXi, Workstation, and Fusion
Affected versions
8.0, 7.0, 17.x, 13.x, 5.x, 4.5.x, 4.x, 3.x, 2.x, >= 13.0.0 < 13.6.3, 2.2, 2.5, 2.7, 3.0, 2.0, 4.0, 4.0.1, 5.0, >= 17.0 < 17.6.3
Fixed versions
13.6.3, 17.6.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Due date: 2025.03.25
  1. 1
    Identify

    Confirm that VMware ESXi, Workstation, and Fusion and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CWE
CWE-125
KEV added
2025.03.04
Ransomware use
미확인
CVE-2025-22226 — VMware ESXi, Workstation, and Fusion | SECUFOCUS NOW