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CVE-2019-16662

An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to ajaxServerSettingsChk.php...

Basic Information

CVE State
PUBLISHED
Reserved Date
September 21, 2019
Published Date
October 28, 2019
Last Updated
August 05, 2024
Vendor
rConfig
Product
rConfig
Description
An issue was discovered in rConfig 3.9.2. An attacker can directly execute system commands by sending a GET request to ajaxServerSettingsChk.php because the rootUname parameter is passed to the exec function without filtering, which can lead to command execution.
Tags
php nuclei_scanner metasploit_scanner

CVSS Scores

CVSS v3.1

9.8 - CRITICAL

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

CVSS v2.0

10.0

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS Score

Score
94.45% (Percentile: 99.99%) as of 2025-05-28

Exploit Status

Exploited in the Wild
Yes (2025-04-30 00:00:00 UTC) Source

References

https://gist.github.com/mhaskar/ceb65fa4ca57c3cdccc1edfe2390902e https://drive.google.com/open?id=1OXI5cNuwWqc6y-7BgNCfYHgFPK2cpvnu https://drive.google.com/file/d/1bTpTn4-alJ8qGCEATLq-oVM6HbhE65iY/view?usp=sharing https://rconfig.com/download https://shells.systems/rconfig-v3-9-2-authenticated-and-unauthenticated-rce-cve-2019-16663-and-cve-2019-16662/ http://packetstormsecurity.com/files/154999/rConfig-3.9.2-Remote-Code-Execution.html http://packetstormsecurity.com/files/155186/rConfig-3.9.2-Command-Injection.html

Known Exploited Vulnerability Information

Source Added Date
The Shadowserver (via CIRCL) 2025-04-30 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/rconfig_install_cmd_exec.rb 2025-04-29 11:01:28 UTC
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-16662.yaml 2025-04-26 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

rconfig_install_cmd_exec

Type: metasploit • Created: Unknown

Metasploit module for CVE-2019-16662

mhaskar/CVE-2019-16662

Type: github • Created: 2019-11-10 18:26:25 UTC • Stars: 12

The official exploit for rConfig 3.9.2 Pre-auth Remote Code Execution CVE-2019-16662

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Detected by Nuclei

  • Detected by Metasploit

  • Added to KEVIntel