TI-2024-29026 Aliases CVE-2024-43377 GHSA-hrww-x3fq-xcvh

Umbraco CMS Improper Access Control vulnerability

LOW 24CWE-284Published 2024-08-20 · Updated 2024-09-03

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284.

Summary

Umbraco CMS is an ASP.NET CMS. An authenticated user can access a few unintended endpoints. This issue is fixed in 14.1.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00244 15th percentileScored 2026-11-07

Fix Fixed Umbraco-CMS (umbraco): 14.1.2Umbraco.Cms (NuGet): 14.1.2

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	14.0.0 to before 14.1.2	14.1.2	Patch available	CNA
—	Umbraco.Cms (NuGet)	14.0.0 to before 14.1.2	14.1.2	Patch available	GHSA-hrww-x3fq-xcvh

Umbraco-CMS Vendorumbraco Affected 14.0.0 to before 14.1.2 Fixed in 14.1.2 Patch available CNA
Umbraco.Cms (NuGet) Vendor— Affected 14.0.0 to before 14.1.2 Fixed in 14.1.2 Patch available GHSA-hrww-x3fq-xcvh

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:umbraco:umbraco_cms::::::::	14.0.0 to before 14.1.2	Vulnerable	umbraco

cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:* Versions 14.0.0 to before 14.1.2 Vulnerable ·umbraco

Remediation

Fix · CNA Umbraco-CMS (umbraco) Fixed in 14.1.2
Fix · GHSA-hrww-x3fq-xcvh Umbraco.Cms (NuGet) Fixed in 14.1.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2024-43377
2026-10-03 Alias added: GHSA-hrww-x3fq-xcvh

References

Patch 1

https://github.com/umbraco/Umbraco-CMS/commit/72bef8861d94a39d5cc9530a04c4797b91fcbecf

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