CVE-2020-7799

PoC —

CVSS 3.1

7.2 high

EPSS

20%p97

Published

Jan 28, 2020 (Jan 28, 2020)

Modified

Jun 17, 2026

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.

Vendors: fusionauth
Products: fusionauth
Weakness: CWE-917
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (19.8%)

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