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01 Record

CVE-2025-22225

VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.

HighKEVPUBLISHEDCNA: vmware
CNA base score8.2 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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02 Description

VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-03-04. Federal remediation due 2025-03-25. Known ransomware campaign use: reported by CISA.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
1.01% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.9% of scored records. A rank, not a probability.
NVD base score
8.2 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-08-04.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-03-04 11:56Z1 YR AGO
Last updated
2026-08-04 03:55Z2 MO AGO
Reserved
2025-01-02
Assigning CNA
vmware
Record state
PUBLISHED
Severity
High (CVSS 8.2)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weaknesses
Data version
5.2
Document digest
d82adeb697287f4e5790d721f6d4b6eaea1097c9bf68abf2a5a503e29ee6bffd

05 Affected products

VendorProductVersionsPlatforms
n/aVMware ESXi8.0 to < ESXi80U3d-24585383, 8.0 to < ESXi80U2d-24585300, 7.0 to < ESXi70U3s-24585291—
n/aVMware Cloud Foundation5.x, 4.5.x—
n/aVMware Telco Cloud Platform5.x, 4.x, 3.x, 2.x—
n/aVMware Telco Cloud Infrastructure3.x, 2.x—

06 References