CVE-2020-11547: Paessler PRTG Network Monitor

Medium severity, CVSS 5.3. EPSS: 52.1% chance of exploitation in the next 30 days.

PRTG Network Monitor before 20.1.57.1745 allows remote unauthenticated attackers to obtain information about probes running or the server itself (CPU usage, memory, Windows version, and internal statistics) via an HTTP request, as demonstrated by type=probes to login.htm or index.htm.

Affected products

• Paessler PRTG Network Monitor: before 20.1.57.1745 (fixed in 20.1.57.1745)

Published 2020-04-05. Last modified 2026-06-17.