CVE-2025-41241Network attack vector

Authenticated service interruption via guest customization API

Published Jul 29, 2025 · Updated Jul 29, 2025

Denial of service in VMware vCenter 7.0 before 7.0 U3v and 8.0 before 8.0 U3g allows remote authenticated users to interrupt service. The guest OS customization API mishandles an unusual or exceptional condition, but Broadcom has not disclosed the affected request field or failing code path. Exploitation requires vCenter authentication and permission to invoke guest OS customization API calls; no data disclosure or modification is reported.

CVSS severity4.4
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in VMware vCenter 7.0 before 7.0 U3v and 8.0 before 8.0 U3g allows remote authenticated users to interrupt service. The guest OS customization API mishandles an unusual or exceptional condition, but Broadcom has not disclosed the affected request field or failing code path. Exploitation requires vCenter authentication and permission to invoke guest OS customization API calls; no data disclosure or modification is reported.

The record

CVE
CVE-2025-41241
Published
Jul 29, 2025
Updated
Jul 29, 2025
Vendor
VMware
Product
VMware vCenter Server
Classifications
CWE-754, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.0 <7.0 U3v
  2. Affected versionversion=8.0 <8.0 U3g

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

VMware · VMware vCenter Serverversion=7.0 <7.0 U3v; version=8.0 <8.0 U3g
VMware · VMware Telco Cloud Platformversion=5.x, 2.x
VMware · VMware Telco Cloud Infrastructureversion=2.x
VMware · VMware Cloud Foundationversion=5.x, 4.5.x

Published CVSS scores

4.4VMwareCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-754Improper Check for Unusual or Exceptional Conditions
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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