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Fencer Vulns
medium 5.5

CVE-2025-41227 json

Denial-of-Service Vulnerability

published 2025-05-20 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-15832

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

VMware ESXi, Workstation, and Fusion contain a denial-of-service vulnerability due to certain guest options. A malicious actor with non-administrative privileges within a guest operating system may be able to exploit this issue by exhausting memory of the host process leading to a denial-of-service condition.

Patch / fix

  • VMware ESXi ESXi70U3sv-24723868, ESXi80U3se-24659227
  • VMware Workstation 17.6.3
  • VMware Fusion 13.6.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

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

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

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.