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CVE-2020-26124 is an authenticated PHP code injection vulnerability in openmediavault versions prior to 4.1.36 and 5.5.12. The vulnerability exists in the handling of the 'sortfield' POST parameter in rpc.php, where user-supplied input is not properly sanitized due to the absence of json_encode_safe in config/databasebackend.inc. This allows an authenticated attacker to inject arbitrary PHP code, leading to command execution as root on the underlying operating system.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module targeting an authenticated PHP code injection vulnerability (CVE-2020-26124) in OpenMediaVault versions prior to 4.1.36 and 5.x prior to 5.5.12. The exploit abuses improper handling of the 'sortfield' POST parameter in the /rpc.php endpoint, allowing an authenticated attacker to execute arbitrary commands as root. The module requires valid OpenMediaVault credentials and interacts with the target over HTTP, first authenticating and then injecting commands via crafted JSON POST requests. The payload is customizable and typically results in a reverse shell or Meterpreter session. The code is written in Ruby and follows standard Metasploit module structure, with all logic contained in a single file. No hardcoded IPs or external domains are present; the main fingerprintable endpoint is the /rpc.php path on the target OpenMediaVault instance.
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