CVE-2025-24011: Umbraco CMS Vulnerable to User Enumeration Feasible Based On Management API Timing and Response Codes
First published: Tue Jan 21 2025(Updated: )
### Impact Based on an analysis of response codes and timing of Umbraco 14+ management API responses, it's possible to determine whether an account exists. ### Patches Will be patched in 14.3.2 and 15.1.2. ### Workarounds None available.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| nuget/Umbraco.Cms | >=15.0.0<15.1.2 | 15.1.2 |
| nuget/Umbraco.Cms | >=14.0.0<14.3.2 | 14.3.2 |
| Umbraco CMS | >14.0.0<14.3.2>15.1.2 |
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Reference Links
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-hmg4-wwm5-p999
- https://github.com/umbraco/Umbraco-CMS/commit/559c6c9f312df1d6eb1bde82c4b81c0896da6382
- https://github.com/umbraco/Umbraco-CMS/commit/839b6816f2ae3e5f54459a0f09dad6b17e2d1e07
- https://nvd.nist.gov/vuln/detail/CVE-2025-24011
- https://github.com/advisories/GHSA-hmg4-wwm5-p999 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2025-24011?
CVE-2025-24011 has a moderate severity level as it exposes account existence through response codes and timing.
How do I fix CVE-2025-24011?
To fix CVE-2025-24011, update Umbraco to version 14.3.2 or later, or to version 15.1.2.
What software versions are affected by CVE-2025-24011?
CVE-2025-24011 affects Umbraco versions between 14.0.0 and 14.3.1 and 15.0.0 and 15.1.1.
Are there any workarounds for CVE-2025-24011?
There are currently no available workarounds for CVE-2025-24011.
What type of vulnerability is CVE-2025-24011?
CVE-2025-24011 is an information disclosure vulnerability that allows for the enumeration of user accounts.
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