CVE-2020-7799 Information

Description

An issue was discovered in FusionAuth before 1.11.0. An authenticated user allowed to edit e-mail templates (Home - Settings - Email Templates) or themes (Home - Settings - Themes) can execute commands on the underlying operating system by abusing freemarker.template.utility.Execute in the Apache FreeMarker engine that processes custom templates.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/156102/FusionAuth-1.10-Remote-Command-Execution.html https://fusionauth.io/docs/v1/tech/release-notes https://lab.mediaservice.net/advisory/2020-03-fusionauth.txt https://seclists.org/bugtraq/2020/Jan/39

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.2