CVE-2024-43377 Umbraco CMS Improper Access Control vulnerability
Authenticated users can access unintended endpoints in Umbraco CMS, potentially reading or modifying data without proper authorization.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-43377?
CVE-2024-43377 is a medium-severity missing authorization vulnerability in Umbraco Umbraco Cms, published on 20 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Umbraco CMS is an ASP.NET CMS. An authenticated user can access a few unintended endpoints. This issue is fixed in 14.1.2.
Weakness: CWE-284
Which versions are affected by CVE-2024-43377?
2 open source packages ship an affected version, including Umbraco.Cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Umbraco.Cms NuGet | From 14.0.0 | 14.1.2 |
Umbraco.Cms NuGet | From 14.0.0 | 14.1.2 |
Products include Umbraco Umbraco Cms.
How do I fix CVE-2024-43377?
Upgrade Umbraco.Cms to 14.1.2 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-43377 being exploited?
There is no known exploitation of CVE-2024-43377 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-hrww-x3fq-xcvh.