Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-41226

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
20/05/2025
Last modified:
15/04/2026

Description

VMware ESXi contains a denial-of-service vulnerability that occurs when performing a guest operation. A malicious actor with guest operation privileges on a VM, who is already authenticated through vCenter Server or ESXi may trigger this issue to create a denial-of-service condition of guest VMs with VMware Tools running and guest operations enabled.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.80
Severity 3.x
MEDIUM

References to Advisories, Solutions, and Tools