Umbraco CMS Authenticated File Upload · CVE-2020-9471 · GitHub Advisory Database · GitHub

Umbraco CMS Authenticated File Upload

High severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jul 13, 2023

Package

UmbracoCMS.Core (NuGet)

Affected versions

<= 8.5.3

Patched versions

None

Description

Umbraco Cloud 8.5.3 allows an authenticated file upload (and consequently Remote Code Execution) via the Install Packages functionality.

References

Published by the National Vulnerability Database

Mar 16, 2020

Published to the GitHub Advisory Database May 24, 2022

Reviewed Jul 13, 2023

Last updated Jul 13, 2023

Severity

High

8.8

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H