CVE-2025-41239
VMware ESXi, Workstation, Fusion vSockets Uninitialised Memory Information Disclosure
Description
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.
INFO
Published Date :
July 15, 2025, 7:15 p.m.
Last Modified :
July 15, 2025, 8:07 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-41239
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update VMware ESXi, Workstation, and Fusion.
- Apply available VMware Tools updates.
Public PoC/Exploit Available at Github
CVE-2025-41239 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-41239.
| URL | Resource |
|---|---|
| https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35877 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-41239 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-41239
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
check_vmware_cvie is an icinga plugin to gather CVEs and compare it with the used products
cve icinga icinga-plugin icinga2 icinga2-plugin vmware vsphere
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-41239 vulnerability anywhere in the article.
-
CybersecurityNews
CISA Issues ICS Advisories for Rockwell Automation Using VMware, and Güralp Seismic Monitoring Systems
CISA released two high-severity Industrial Control Systems (ICS) advisories on July 31, 2025, highlighting critical vulnerabilities in widely deployed industrial equipment that could enable remote att ... Read more
-
TheCyberThrone
VMware Fixes Vulnerabilities Exploited at Pwn2Own Berlin
Following successful live exploit demonstrations at the Pwn2Own Berlin 2025 security competition held in May, VMware has patched four zero-day vulnerabilities affecting several of its virtualization p ... Read more
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BleepingComputer
VMware fixes four ESXi zero-day bugs exploited at Pwn2Own Berlin
VMware fixed four vulnerabilities in VMware ESXi, Workstation, Fusion, and Tools that were exploited as zero-days during the Pwn2Own Berlin 2025 hacking contest in May 2025. Three of the patched flaws ... Read more
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CybersecurityNews
VMware ESXi and Workstation Vulnerabilities Let Attackers Execute Malicious Code on Host
Multiple severe vulnerabilities have been addressed affecting VMware ESXi, Workstation, Fusion, and Tools that could allow attackers to execute malicious code on host systems. The vulnerabilities, ide ... Read more
-
Daily CyberSecurity
Broadcom Addresses Critical Vulnerabilities in VMware ESXi, Workstation, and Fusion
Broadcom has issued an urgent advisory addressing four critical vulnerabilities affecting VMware ESXi, Workstation, Fusion, and Tools, with CVSS scores reaching as high as 9.3. These flaws, reported t ... Read more
The following table lists the changes that have been made to the
CVE-2025-41239 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 15, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Added CWE CWE-908 Added Reference https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35877