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-2021-22659 — Marine OT Device: Rockwell Automation MicroLogix 1400
Published: 2021-03-25 | Updated: 2026-06-03
N/A 0Rockwell Automation MicroLogix 1400 Version 21.6 and below may allow a remote unauthenticated attacker to send a specially crafted Modbus packet allowing the attacker to retrieve or modify random values in the register. If successfully exploited, this may lead to a buffer overflow resulting in a denial-of-service condition. The FAULT LED will flash RED and communications may be lost. Recovery from denial-of-service condition requires the fault to be cleared by the user.
CVSS VECTOR: N/A
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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.