CVE-2021-33725: Siemens Sinec Nms

Critical severity, CVSS 9.1. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system allows to delete arbitrary files or directories under a user controlled path and does not correctly check if the relative path is still within the intended target directory.

Affected products

  • Siemens Sinec Nms: before 1.0 (fixed in 1.0); version 1.0 only

Published 2021-10-12. Last modified 2026-06-17.