Vulnerability · Published Mar 11, 2025 · Assigned by GitHub_M
CVE-2025-27601Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality
Medium 4.3
In plain English
A medium-severity incorrect authorization in Umbraco-CMS from umbraco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
Umbraco is a free and open source .NET content management system. An improper API access control issue has been identified Umbraco's API management package prior to versions 15.2.3 and 14.3.3, allowing low-privilege, authenticated users to create and update data type information that should be restricted to users with access to the settings section. The issue is patched in versions 15.2.3 and 14.3.3. No known workarounds are available.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | umbraco.cms.api.management | 15.2.3 | GHSA-6ffg-mjg7-585x |
| NuGet | umbraco.cms.api.management | 14.3.3 | GHSA-6ffg-mjg7-585x |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| umbraco | Umbraco-CMS | >= 15.0.0-rc1, < 15.2.3< 14.3.3 |
Weakness: CWE-285, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-6ffg-mjg7-585x x_refsource_CONFIRM
- https://github.com/umbraco/Umbraco-CMS/commit/d9fb6df16e9adf8656181cac8497fc5ba23321cd x_refsource_MISC
- https://github.com/umbraco/Umbraco-CMS/commit/ebb6a580dc1da2c772a99838dc7b4660bf77eb9c x_refsource_MISC