CVE-2021-37200: Siemens Sinec Network Management System

High severity, CVSS 7.7. EPSS: 37.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP1). An attacker with access to the webserver of an affected system could download arbitrary files from the underlying filesystem by sending a specially crafted HTTP request.

Affected products

• Siemens Sinec Network Management System: before 1.0 (fixed in 1.0); version 1.0 only

Published 2021-09-14. Last modified 2026-06-17.