CVE-2024-29035— Umbraco's Blind SSRF Leads to Port Scan by using Webhooks
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 13.0.0及之前版本存在安全漏洞，该漏洞源于允许攻击者查看处于调试模式下的webhook日志，从而导致信息泄露。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2024-29035
Vulnerability Information
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Vulnerability Title
Umbraco's Blind SSRF Leads to Port Scan by using Webhooks
Source: CVE Program / CVE List V5
Vulnerability Description
Umbraco is an ASP.NET CMS. Failing webhooks logs are available when solution is not in debug mode. Those logs can contain information that is critical. This vulnerability is fixed in 13.1.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
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 13.0.0及之前版本存在安全漏洞，该漏洞源于允许攻击者查看处于调试模式下的webhook日志，从而导致信息泄露。
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 | >= 13.0.0 , <13.1.1 | - |
|
II. Public POCs for CVE-2024-29035
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-29035 (1)
Vendor Advisories for CVE-2024-29035 (1)
-
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-74p6-39f2-23v3 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: Umbraco-CMS
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CVE-2026-69197
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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-918
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V. Comments for CVE-2024-29035
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