How severe is CVE-2025-22225?

CVE-2025-22225 has a CVSS 3.1 base score of 8.2 (HIGH). EPSS estimates a 1.0% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2025-22225: VMware ESXi Arbitrary Write

CISA Known Exploited Vulnerabilities

VMware ESXi Arbitrary Write Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-03-04

Remediation due

2025-03-25

Ransomware

Known use

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.

CISA notes
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390 ; https://nvd.nist.gov/vuln/detail/CVE-2025-22225

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.

Severity

CVSS 3.1 · CNA8.2 HIGH

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

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	VMware ESXi	8.0 to <ESXi80U3d-24585383 8.0 to <ESXi80U2d-24585300 7.0 to <ESXi70U3s-24585291
-	VMware Cloud Foundation	5.x, 4.5.x
-	VMware Telco Cloud Platform	5.x, 4.x, 3.x, 2.x
-	VMware Telco Cloud Infrastructure	3.x, 2.x

References

1 Links

Other references

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

Record Details

Published

2025-03-04

Last updated

2026-08-04

Assigner (CNA)

vmware

Credited to

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.