Observable Response Discrepancy Affecting umbraco.cms.web.backoffice package, versions [,10.8.10)[11.0.0-rc1,13.8.1)
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-10074185
- published8 May 2025
- disclosed6 May 2025
- creditArne Hildrum, Erik Hansen-Tangen Breien, krieriks
Introduced: 6 May 2025
NewCVE-2025-46736 (opens in a new tab)How to fix?
Upgrade Umbraco.Cms.Web.BackOffice to version 10.8.10, 13.8.1 or higher.
Overview
Affected versions of this package are vulnerable to Observable Response Discrepancy due to the timing analysis of post-login API responses. An attacker can determine if a specific user account exists by observing the response times.