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.

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Audit Level: Tactical

Records optimised: 30.06.2026 17:00 UTC

CVE-2023-0027 — Rockwell Automation: Modbus TCP Server Add On Instructions

Published: 2023-03-17 | Updated: 2025-02-26

MEDIUM 5.3

Rockwell Automation Modbus TCP Server AOI prior to 2.04.00 is vulnerable to an unauthorized user sending a malformed message that could cause the controller to respond with a copy of the most recent response to the last valid request. If exploited, an unauthorized user could read the connected device’s Modbus TCP Server AOI information.

CVSS VECTOR: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD Record ↗ | Vendor Advisory / Fix ↗

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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.