TI-2024-19067 Aliases CVE-2024-28868 GHSA-552f-97wf-pmpq

Umbraco possible user enumeration vulnerability

LOW 24CWE-204Published 2024-03-20 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-204.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00452 39th percentileScored 2026-11-07

Fix Fixed Umbraco-CMS (umbraco): 10.8.5UmbracoCMS (NuGet): 10.8.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
umbraco	Umbraco-CMS	10.0.0 to before 10.8.5	10.8.5	Patch available	CNA
—	UmbracoCMS (NuGet)	10.0.0 to before 10.8.5	10.8.5	Patch available	GHSA-552f-97wf-pmpq

Umbraco-CMS Vendorumbraco Affected 10.0.0 to before 10.8.5 Fixed in 10.8.5 Patch available CNA
UmbracoCMS (NuGet) Vendor— Affected 10.0.0 to before 10.8.5 Fixed in 10.8.5 Patch available GHSA-552f-97wf-pmpq

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:umbraco:umbraco_cms::::::::	10.0.0 to before 10.8.5	Vulnerable	umbraco

cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:* Versions 10.0.0 to before 10.8.5 Vulnerable ·umbraco

Remediation

Fix · CNA Umbraco-CMS (umbraco) Fixed in 10.8.5
Fix · GHSA-552f-97wf-pmpq UmbracoCMS (NuGet) Fixed in 10.8.5 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2024-28868
2026-10-03 Alias added: GHSA-552f-97wf-pmpq

References

Patch 1

https://github.com/umbraco/Umbraco-CMS/commit/7e1d1a1968000226cd882fff078b122b8d46c44d

Advisory 2

Other 1

https://github.com/umbraco/Umbraco-CMS

TI-2025-41183 An arbitrary file upload vulnerability in Umbraco CMS v16.3.3 allows attackers to execute… CVSS 3.1CRITICAL 10.0
TI-2012-05477 Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE CVSS 4.0CRITICAL 9.3
TI-2021-22392 Umbraco v8.14.1 - 'baseUrl' SSRF CVSS 4.0MEDIUM 6.9
TI-2024-36846 A stored cross-site scripting (XSS) vulnerability in Umbraco CMS v14.3.1 allows attackers… CVSS 3.1MEDIUM 6.5
TI-2019-15240 Umbraco CMS 4.11.8 through 7.15.10, and 7.12.4, allows Remote Code Execution by… CVSS 3.1HIGH 7.2
TI-2020-04738 Cross-site scripting in Umbraco CMS CVSS 3.1MEDIUM 5.4

See all 56 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences