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CVE-2023-49273— Umbraco CMS vulnerable to Privilege Escalation using Spoofing

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 存在安全漏洞，该漏洞源于低权限用户（编辑者等）能够访问一些非预期的端点。

CVSS 5.4 · Medium EPSS 0.37% · P28
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I. Basic Information for CVE-2023-49273

Vulnerability Information
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Vulnerability Title
Umbraco CMS vulnerable to Privilege Escalation using Spoofing
Source: CVE Program / CVE List V5
Vulnerability Description
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, users with low privileges (Editor, etc.) are able to access some unintended endpoints. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
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 存在安全漏洞，该漏洞源于低权限用户（编辑者等）能够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 >= 8.0.0, < 8.18.10 -

II. Public POCs for CVE-2023-49273

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III. Intelligence Information for CVE-2023-49273

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Vendor Advisories for CVE-2023-49273 (1)

Same Patch Batch · umbraco · 2023-12-12 · 8 CVEs total

CVE-2023-49089 7.7 HIGH Umbraco CMS possible path traversal when creating packages from backoffice
CVE-2023-49278 5.3 MEDIUM Umbraco CMS brute force exploit can be used to collect valid usernames
CVE-2023-48227 4.3 MEDIUM Umbraco CMS Backoffice User can bypass "Publish" restriction
CVE-2023-48313 4.3 MEDIUM Umbraco contains a DOM-XSS
CVE-2023-49274 3.7 LOW Umbraco CMS SMTP misconfiguration exposes potential registered user email
CVE-2023-49279 3.7 LOW Umbraco CMS vulnerable to stored XSS via SVG File Upload
CVE-2023-38694 3.5 LOW Umbraco CMS vulnerable to possible injection of HTML in an unintended form

IV. Related Vulnerabilities

Same product: Umbraco-CMS
Same vendor: umbraco
Same weakness: CWE-863

V. Comments for CVE-2023-49273

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