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CVE-2025-32017 — Vulnerability in Umbraco.Cms — CVE Details

HIGH

Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users

Published April 9, 2025Updated April 9, 2025Source: osv

Summary

### Impact Authenticated users to the Umbraco backoffice are able to craft management API request that exploit a path traversal vulnerability to upload files into a incorrect location. ### Patches The issue affects Umbraco 14+ and is patched in 14.3.4 and 15.3.1. ### Workarounds Umbraco supports the configuration of [allowed](https://docs.umbraco.com/umbraco-cms/reference/configuration/contentsettings#allowed-upload-file-extensions) and [disallowed file extensions](https://docs.umbraco.com/umbraco-cms/reference/configuration/contentsettings#disallowed-upload-file-extensions). Using these options to allow only necessary file extensions significantly reduces the scope of the vulnerability.

Advisory Timeline

  • First published April 9, 2025 (551 days ago).
  • Last revised April 9, 2025 — 0 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update Umbraco.Cms to 14.3.4 or later
dotnet add package Umbraco.Cms --version 14.3.4
NuGet
Update Umbraco.Cms to 15.3.1 or later
dotnet add package Umbraco.Cms --version 15.3.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
Umbraco.Cms
nuget
14.0.0, 14.0.0-rc1, 14.0.0-rc2, 14.0.0-rc3 (+16 more)14.3.4
Umbraco.Cms
nuget
15.0.0, 15.0.0-rc1, 15.0.0-rc2, 15.0.0-rc3 (+14 more)15.3.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2025-32017?
Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2025-32017?
CVE-2025-32017 affects Umbraco.Cms. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-32017 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-q62r-8ppj-xvf4

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