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.

CVSS v3.0 7.2 HIGH
CVSS v2.0 9.0 HIGH

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

9.0^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

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 Vendor Advisory
https://seclists.org/bugtraq/2020/Jan/39	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

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

Information

Published : 2020-01-28 05:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-7799

Mitre link : CVE-2020-7799

JSON object : View

CWE

CWE-917

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

Products Affected

fusionauth

fusionauth

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7.2 /10