Exposure of Sensitive System Information to an Unauthorized Control Sphere Affecting umbraco.cms.web.backoffice package, versions [10.0.0,10.8.11)[13.0.0,13.9.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-DOTNET-UMBRACOCMSWEBBACKOFFICE-10499640
- published25 Jun 2025
- disclosed24 Jun 2025
- creditUnknown
Introduced: 24 Jun 2025
NewCVE-2025-49147 (opens in a new tab)How to fix?
Upgrade Umbraco.Cms.Web.BackOffice to version 10.8.11, 13.9.2 or higher.
Overview
Affected versions of this package are vulnerable to Exposure of Sensitive System Information to an Unauthorized Control Sphere via an anonymously accessible endpoint that reveals details about configured password requirements. An attacker can gain insight into password policy information by sending requests to this endpoint, which could assist in attempts to guess or brute force user passwords.