CVE-2020-7799

HighCVSS 7.2/10Last 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.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-917

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://packetstormsecurity.com/files/156102/FusionAuth-1.10-Remote-Command-Execution.htmlThird Party Advisory, VDB Entry
https://fusionauth.io/docs/v1/tech/release-notesExploit, Release Notes, Vendor Advisory
https://lab.mediaservice.net/advisory/2020-03-fusionauth.txtThird Party Advisory
https://seclists.org/bugtraq/2020/Jan/39Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/156102/FusionAuth-1.10-Remote-Command-Execution.htmlThird Party Advisory, VDB Entry
https://fusionauth.io/docs/v1/tech/release-notesExploit, Release Notes, Vendor Advisory
https://lab.mediaservice.net/advisory/2020-03-fusionauth.txtThird Party Advisory
https://seclists.org/bugtraq/2020/Jan/39Mailing List, Third Party Advisory

Timeline

Published: Jan 28, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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