PT-2020-20683 · Umbraco · Umbraco Cloud

Published 2020-03-16 · Updated 2022-05-24 · CVE-2020-9471

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Umbraco Cloud version 8.5.3

Description The issue allows an authenticated file upload, which can lead to Remote Code Execution, via the Install Packages functionality.

Recommendations For Umbraco Cloud version 8.5.3, update to a version that fixes this issue to prevent authenticated file upload and potential Remote Code Execution.

Exploit

Fix

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2020-9471

GHSA-H68C-4JH3-CP9J

Affected Products

Umbraco Cloud

References · 7

• 🔥 https://gitlab.com/eLeN3Re/cve-2020-9471 · Exploit
• https://osv.dev/vulnerability/CVE-2020-9471 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9471 · Security Note
• https://osv.dev/vulnerability/GHSA-h68c-4jh3-cp9j · Vendor Advisory
• https://github.com/umbraco/Umbraco-CMS · Note
• https://gitlab.com/eLeN3Re/cve-2020-9472/-/blob/master/CVE-2020-9472.pdf · Note
• https://t.me/cvenotify/1784 · Telegram Post