Description
Umbraco is a free and open source .NET content management system. 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. The issue affects Umbraco 14+ and is patched in 14.3.4 and 15.3.1.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- umbraco / Umbraco-CMS>= 14.0.0--preview004, < 14.3.4 – >= 14.0.0--preview004, < 14.3.4
- umbraco / Umbraco-CMS>= 15.0.0-rc1, < 15.3.1 – >= 15.0.0-rc1, < 15.3.1