CVE-2025-22225

HIGH CISA KEV

Published Mar 4, 2025 Modified Oct 30, 2025 CWE-787 CWE-123

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.

CVSS v3.1 Score

8.2

HIGH

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

CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild.

Added: Mar 4, 2025 Remediation due: Mar 25, 2025 Known ransomware use

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

CWE-123 CWE-123

Affected Products

Vendor	Product	Versions
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	esxi	All
vmware	cloud_foundation	All
vmware	telco_cloud_infrastructure	All
vmware	telco_cloud_infrastructure	All
vmware	telco_cloud_infrastructure	All
vmware	telco_cloud_infrastructure	All
vmware	telco_cloud_platform	All
vmware	telco_cloud_platform	All
vmware	telco_cloud_platform	All
vmware	telco_cloud_platform	All
vmware	telco_cloud_platform	All
vmware	telco_cloud_platform	All
vmware	telco_cloud_platform	All

References

Advisories & Patches

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390

Other References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22225

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.2 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2025-22225? +

CVE-2025-22225 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-22225? +

CVE-2025-22225 affects products from vmware, specifically: cloud_foundation, esxi, telco_cloud_infrastructure, telco_cloud_platform. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-22225? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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