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Fencer Vulns
high 7.1

CVE-2025-41239 json

vSockets information-disclosure vulnerability

published 2025-07-15 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-21539

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

VMware ESXi, Workstation, Fusion, and VMware Tools contains an information disclosure vulnerability due to the usage of an uninitialised memory in vSockets. A malicious actor with local administrative privileges on a virtual machine may be able to exploit this issue to leak memory from processes communicating with vSockets.

Patch / fix

  • VMware ESXi ESXi70U3w-24784741, ESXi80U2e-24789317, ESXi80U3f-24784735
  • VMware Workstation 17.6.4
  • VMware Fusion 13.6.4
  • VMware Tools 12.5.3, 13.0.1.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-212-02 updated cvss 7.1

Rockwell Automation Lifecycle Services with VMware

  • Rockwell Automation Endpoint Protection Service with Rockwell Automation Proxy & VMware only Rockwell Automation Engineered and Integrated Solutions with VMware Rockwell Automation Industrial Data Center (IDC) with VMware >=Generations_1, <=4 Rockwell Automation Threat Detection Managed Services (TDMS) with VMware Rockwell Automation VersaVirtual Appliance (VVA) with VMware A, B
    affected: mitigation “Rockwell recommends users without Rockwell Automation managed services contract to refer to Broadcom's advisories below:” support.broadcom.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
15 mo ago

Exploit prediction

3.16% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

  • VMware ESXi
  • VMware Cloud Foundation
  • VMware Workstation
  • VMware Fusion
  • VMware Telco Cloud Platform
  • VMware Telco Cloud Infrastructure
  • VMware Tools

Classification

Weakness
  • CWE-908 Use of Uninitialized Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.