CVE-2017-15009: Paessler PRTG Network Monitor

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

PRTG Network Monitor version 17.3.33.2830 is vulnerable to reflected Cross-Site Scripting on error.htm (the error page), via the errormsg parameter.

Affected products

• Paessler PRTG Network Monitor: version 17.3.33.2830 only

Published 2017-10-04. Last modified 2026-06-17.