CVE-2020-21523

CRITICAL

9.8

Description

A Server-Side Freemarker template injection vulnerability in halo CMS v1.1.3 In the Edit Theme File function. The ftl file can be edited. This is the Freemarker template file. This file can cause arbitrary code execution when it is rendered in the background. exp: <#assign test="freemarker.template.utility.Execute"?new()> ${test("touch /tmp/freemarkerPwned")}

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/30/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

halo:halo

Weaknesses (CWE)

CWE-74

References

https://github.com/halo-dev/halo/issues/419(cve@mitre.org)

https://github.com/halo-dev/halo/issues/419(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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