CVE Vulnerability

CVE-2020-7799

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.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.2 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://lab.mediaservice.net/advisory/2020-03-fusionauth.txt Third Party Advisory
http://packetstormsecurity.com/files/156102/FusionAuth-1.10-Remote-Command-Execution.html Third Party Advisory VDB Entry
https://fusionauth.io/docs/v1/tech/release-notes Exploit Release Notes
https://seclists.org/bugtraq/2020/Jan/39 Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:fusionauth:fusionauth:*:*:*:*:*:*:*:*
Information

Published : 2020-01-28 01:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-7799

Mitre link : CVE-2020-7799

Products Affected
No products.
CWE
CWE-917

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')