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CVE-2025-27602

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Date: March 11, 2025

Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2025-27602
https://github.com/umbraco/Umbraco-CMS/commit/7888b9a4ce5ae7f9bda7ff3bb705b8fcd2f1675d
https://github.com/umbraco/Umbraco-CMS
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-wx5h-wqfq-v698
https://github.com/umbraco/Umbraco-CMS/commit/5b54bed406682ceff57903bf7d3c57814eef31a7
https://www.mend.io/vulnerability-database/CVE-2025-27602

Severity Score

Weakness Type (CWE)

Improper Authorization

CWE-285

Incorrect Authorization

CWE-863

Top Fix

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Upgrade Version

Upgrade to version Umbraco.Cms.Web.Backoffice - 10.8.9;Umbraco.Cms.Web.Backoffice - 13.7.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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