CVE-2024-43377— Umbraco CMS Improper Access Control vulnerability
Quick assessment
Affected
umbraco Umbraco-CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Umbraco是丹麦Umbraco公司的一套C#编写的开源的内容管理系统（CMS）。 Umbraco 14.1.2之前版本存在安全漏洞，该漏洞源于经过身份验证的用户可以访问一些非预期的端点。
Possible ATT&CK Techniques 1 AI
T1135 · Network Share Discovery
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I. Basic Information for CVE-2024-43377
Vulnerability Information
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Vulnerability Title
Umbraco CMS Improper Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Umbraco 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Umbraco是丹麦Umbraco公司的一套C#编写的开源的内容管理系统（CMS）。 Umbraco 14.1.2之前版本存在安全漏洞，该漏洞源于经过身份验证的用户可以访问一些非预期的端点。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| umbraco | Umbraco-CMS | >= 14.0.0, < 14.1.2 | - |
|
II. Public POCs for CVE-2024-43377
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-43377 (1)
Vendor Advisories for CVE-2024-43377 (1)
-
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-hrww-x3fq-xcvh x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: Umbraco-CMS
-
CVE-2026-69197
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CVE-2026-46609
Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confir -
CVE-2026-46616
Umbraco.Cms: Open Redirect Vulnerability in Surface Controll -
CVE-2026-31834
Umbraco Affected by Vertical Privilege Escalation via Missin -
CVE-2026-31833
Umbraco has Stored XSS in UFM Rendering Pipeline via Permiss
Same vendor: umbraco
-
CVE-2026-69197
Umbraco: Delivery API leaks protected (Public Access) conten -
CVE-2026-46609
Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confir -
CVE-2026-46616
Umbraco.Cms: Open Redirect Vulnerability in Surface Controll -
CVE-2026-31834
Umbraco Affected by Vertical Privilege Escalation via Missin -
CVE-2026-31833
Umbraco has Stored XSS in UFM Rendering Pipeline via Permiss
Same weakness: CWE-284
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Tugtainer: OIDC login remains accessible when OIDC_ENABLED i
V. Comments for CVE-2024-43377
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