Overview
VMware ESXi contains an arbitrary write vulnerability. Successful exploitation allows an attacker with privileges within the VMX process to trigger an arbitrary kernel write leading to an escape of the sandbox.
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390 ; https://nvd.nist.gov/vuln/detail/CVE-2025-22225
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2025-22225 |
| Vendor / Product | VMware — ESXi |
| NVD Published | 2025-03-04 |
| NVD Last Modified | 2025-10-30 |
| CVSS 3.1 Score | 8.2 |
| CVSS 3.1 Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| Severity | HIGH |
| CWE | CWE-787 |
| CISA KEV Added | 2025-03-04 |
| CISA KEV Deadline | 2025-03-25 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2025-03-25.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2025-03-04 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-03-25 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2025-22225 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |