Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-9471
CVE-2020-9471:
C# vulnerability analysis and mitigation
Overview
CVE-2020-9471 affects Umbraco Cloud 8.5.3 and was disclosed on March 16, 2020. The vulnerability allows authenticated users to perform unauthorized file uploads through the Install Packages functionality, which can lead to Remote Code Execution (RCE) (NVD, GitLab).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified as CWE-434 (Unrestricted Upload of File with Dangerous Type) (NVD).
Impact
If successfully exploited, this vulnerability allows an authenticated attacker to upload malicious files and achieve remote code execution on the affected system, potentially leading to complete system compromise (NVD).
Exploitability
The vulnerability requires authentication to exploit, but has low attack complexity. A proof of concept exploit has been documented and is publicly available (GitLab).
Additional resources
Source: This report was generated using AI
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