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CVE-2025-41237— VMCI integer-underflow vulnerability

Quick assessment

Affected
VMware Cloud Foundation
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

VMware ESXi等都是美国威睿（VMware）公司的产品。VMware ESXi是一套可直接安装在物理服务器上的服务器虚拟化平台。VMware Workstation是一套虚拟机软件。VMware Fusion是一套专用于在苹果机（Mac）上运行Windows应用程序的的虚拟机软件。 VMware多款产品存在缓冲区错误漏洞，该漏洞源于VMCI存在整数下溢，可能导致越界写入和执行任意代码。以下产品受到影响：VMware ESXi、Workstation和Fusion。

CVSS 9.3 · Critical EPSS 0.45% · P37
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I. Basic Information for CVE-2025-41237

Vulnerability Information
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Vulnerability Title
VMCI integer-underflow vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
VMware ESXi, Workstation, and Fusion contain an integer-underflow in VMCI (Virtual Machine Communication Interface) that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host. On ESXi, the exploitation is contained within the VMX sandbox whereas, on Workstation and Fusion, this may lead to code execution on the machine where Workstation or Fusion is installed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
VMware多款产品 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware ESXi等都是美国威睿（VMware）公司的产品。VMware ESXi是一套可直接安装在物理服务器上的服务器虚拟化平台。VMware Workstation是一套虚拟机软件。VMware Fusion是一套专用于在苹果机（Mac）上运行Windows应用程序的的虚拟机软件。 VMware多款产品存在缓冲区错误漏洞，该漏洞源于VMCI存在整数下溢，可能导致越界写入和执行任意代码。以下产品受到影响：VMware ESXi、Workstation和Fusion。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
VMware Cloud Foundation 9.0.0.0, 5.x, 4.5.x -
VMware vSphere Foundation 9.0.0.0 -
VMware ESXi 8.0 ~ ESXi80U3f-24784735 -
VMware Workstation 17.x ~ 17.6.4 -
VMware Fusion 13.x ~ 13.6.4 -
VMware Telco Cloud Platform 5.x, 4.x, 3.x, 2.x -
VMware Telco Cloud Infrastructure 3.x, 2.x -

II. Public POCs for CVE-2025-41237

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III. Intelligence Information for CVE-2025-41237

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Same Patch Batch · VMware · 2025-07-15 · 4 CVEs total

CVE-2025-41238 9.3 CRITICAL PVSCSI heap-overflow vulnerability
CVE-2025-41236 9.3 CRITICAL VMXNET3 integer-overflow vulnerability
CVE-2025-41239 7.1 HIGH vSockets information-disclosure vulnerability

IV. Related Vulnerabilities

Same product: Cloud Foundation
Same vendor: VMware
Same weakness: CWE-787

V. Comments for CVE-2025-41237

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