Vulnerable Assets Library

A searchable database of maritime OT equipment with known vulnerabilities — covering navigation systems, engine automation, power management, and vessel control CBS from major marine vendors. Search by vendor, product family, or CVE ID to check whether equipment on your vessel has documented vulnerabilities requiring attention or patch management action.

Searchable by vendor CVE referenced Marine OT vendors Continuously updated
Audit Level: Tactical
Records optimised: 30.06.2026 17:00 UTC

CVE-2021-37185 — Siemens: SIMATIC Drive Controller family

Published: 2022-02-09 | Updated: 2025-04-18

HIGH 7.5
A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 = V21.9 = V4.5.0 = V2.9.2 = V21.9 = V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets over port 102/tcp. A restart of the affected device is needed to restore normal operations.

CVSS VECTOR: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

NVD Record ↗ | Vendor Advisory / Fix ↗

← Back to full Vulnerable Assets Library

Get new CVE entries like these in your inbox weekly. Subscribe →

Disclaimer & Methodology

The Marine OT Vulnerable Assets Library is a curated repository of security advisories identified through automated heuristic filtering. Users should verify hardware revisions with manufacturers before patching.

Scroll to Top