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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| umbraco | Umbraco-CMS | >= 14.0.0, < 14.3.2, >= 15.0.0, < 15.1.2 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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Puben/CVE-2025-24011-PoC ★ 1 · Mar 21, 2025
Umbraco User Enum - CVE-2025-24011 PoC
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | Umbraco.Cms | >= 14.0.0, < 14.3.2 | 14.3.2 | GHSA-hmg4-wwm5-p999 |
| NuGet | Umbraco.Cms | >= 15.0.0, < 15.1.2 | 15.1.2 | GHSA-hmg4-wwm5-p999 |