CVE-2024-28868 Umbraco possible user enumeration vulnerability
Attackers can enumerate valid usernames via the native login screen, potentially aiding further attacks against Umbraco CMS installations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-28868?
CVE-2024-28868 is a low-severity vulnerability in Umbraco Umbraco Cms, published on 20 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Umbraco is an ASP.NET content management system. Umbraco 10 prior to 10.8.4 with access to the native login screen is vulnerable to a possible user enumeration attack. This issue was fixed in version 10.8.5. As a workaround, one may disable the native login screen by exclusively using external logins.
Which versions are affected by CVE-2024-28868?
2 open source packages ship an affected version, including UmbracoCMS. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
UmbracoCMS NuGet | From 10.0.0 | 10.8.5 |
UmbracoCMS NuGet | From 10.0.0 | 10.8.5 |
Products include Umbraco Umbraco Cms.
How do I fix CVE-2024-28868?
Upgrade UmbracoCMS to 10.8.5 or later.
Is CVE-2024-28868 being exploited?
There is no known exploitation of CVE-2024-28868 in the wild and no public exploit code.
Other vulnerabilities in Umbraco Umbraco Cms
- CVE-2025-67288 Umbraco CMS has an arbitrary file upload vulnerability
- CVE-2014-10074 File upload in n/a
- CVE-2012-1301 Server-side request forgery in n/a
- CVE-2012-10054 Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE
- CVE-2025-32017 Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users
Sources
Also known as GHSA-552f-97wf-pmpq.