Path Traversal Vulnerability in Umbraco CMS by Umbraco
CVE-2025-32017

8.8HIGH

Key Information:

Vendor

Umbraco

Status
Umbraco-cms
Vendor
CVE Published:
8 April 2025

What is CVE-2025-32017?

Umbraco CMS, an open-source .NET content management system, has a path traversal vulnerability that allows authenticated users to craft specific API requests. This flaw can lead to unauthorized file uploads into incorrect locations within the system. The issue affects versions 14 and above and has been addressed in release updates 14.3.4 and 15.3.1. Users are encouraged to upgrade to these patched versions to mitigate the risk associated with this vulnerability.

Affected Version(s)

Umbraco-CMS >= 14.0.0--preview004, < 14.3.4 < 14.0.0--preview004, 14.3.4

Umbraco-CMS >= 15.0.0-rc1, < 15.3.1 < 15.0.0-rc1, 15.3.1

References

https://github.com/umbraco/Umbraco-CMS/security/advisorie...
x_refsource_CONFIRM
https://github.com/umbraco/Umbraco-CMS/commit/06a2a500b35...
x_refsource_MISC
https://github.com/umbraco/Umbraco-CMS/commit/d3c1443b14b...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-32017 : Path Traversal Vulnerability in Umbraco CMS by Umbraco