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ConnectWise ScreenConnect Unauthenticated Remote Code Execution

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ConnectWise ScreenConnect Unauthenticated Remote Code Execution

Disclosed
02/19/2024
Created
02/24/2024

Description

This module exploits an authentication bypass vulnerability that allows an unauthenticated attacker to create a new administrator user account on a vulnerable ConnectWise ScreenConnect server. The attacker can leverage this to achieve RCE by uploading a malicious extension module. All versions of ScreenConnect version 23.9.7 and below are affected.

Author(s)

  • sfewer-r7
  • WatchTowr

Platform

Linux,Unix,Windows

Architectures

x64, cmd

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/multi/http/connectwise_screenconnect_rce_cve_2024_1709
msf exploit(connectwise_screenconnect_rce_cve_2024_1709) > show targets
    ...targets...
msf exploit(connectwise_screenconnect_rce_cve_2024_1709) > set TARGET < target-id >
msf exploit(connectwise_screenconnect_rce_cve_2024_1709) > show options
    ...show and set options...
msf exploit(connectwise_screenconnect_rce_cve_2024_1709) > exploit

Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.

– Jim O’Gorman | President, Offensive Security

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