Description
Umbraco is a free and open source .NET content management system. Starting in version 14.0.0 and prior to versions 14.3.2 and 15.1.2, it's possible to determine whether an account exists based on an analysis of response codes and timing of Umbraco management API responses. Versions 14.3.2 and 15.1.2 contain a patch. No known workarounds are available.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected products
- umbraco / Umbraco-CMS>= 14.0.0, < 14.3.2 – >= 14.0.0, < 14.3.2
- umbraco / Umbraco-CMS>= 15.0.0, < 15.1.2 – >= 15.0.0, < 15.1.2