CVE-2026-44611 in MacGregor Voyage Data Recorder G4e
Summary
by MITRE • 05/29/2026
Danelec MacGregor Voyage Data Recorder passwords are stored with a hashing method which limits password length and is susceptible to brute force attacks.
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Analysis
by VulDB Data Team • 05/30/2026
The vulnerability in Danelec MacGregor Voyage Data Recorder systems stems from inadequate password storage mechanisms that employ weak hashing algorithms with significant limitations. This flaw represents a critical security weakness in maritime navigation equipment where unauthorized access could compromise vessel operations and data integrity. The hashing method used in these devices restricts password length, creating a vulnerable attack surface that adversaries can exploit through brute force techniques. The implementation violates fundamental security principles outlined in cybersecurity frameworks such as the CWE-521 weakness category which specifically addresses weak password requirements and inadequate password hashing practices. This vulnerability directly impacts the confidentiality and integrity of voyage data records that are essential for maritime safety and regulatory compliance.
The technical implementation of password storage in these systems demonstrates a clear failure to adhere to industry best practices for credential protection. The hashing algorithm employed lacks sufficient computational complexity and entropy preservation, making it susceptible to rainbow table attacks and dictionary-based brute force methodologies. Attackers can systematically test password combinations against the limited hash space, particularly when password length constraints reduce the effective search space. This weakness aligns with ATT&CK technique T1110.003 which covers credential stuffing and password spraying attacks, as the reduced password complexity makes automated attacks significantly more effective. The vulnerability exists at the authentication layer of the system where user credentials are processed and verified, creating a potential entry point for malicious actors seeking unauthorized access to voyage data and operational controls.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass broader safety and regulatory concerns within maritime operations. When adversaries gain access to voyage data recorder systems, they can potentially manipulate or corrupt critical navigation data, interfere with automated reporting systems, or extract sensitive operational information that could compromise vessel security. The compromised authentication mechanism undermines the trust model of the entire system, as it allows attackers to establish persistent access that could go undetected for extended periods. This vulnerability affects the availability and integrity of voyage data that is crucial for maritime safety investigations, insurance claims, and regulatory compliance. Organizations using these systems face potential legal and financial consequences if unauthorized access leads to data breaches or operational disruptions, particularly given the regulatory requirements imposed by maritime authorities and international safety standards.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security architecture improvements. The primary recommendation involves implementing strong password hashing algorithms such as bcrypt, scrypt, or Argon2 that are resistant to brute force attacks and can handle full-length passwords without artificial constraints. System administrators should enforce password complexity requirements that prevent weak credentials from being accepted, while also implementing account lockout mechanisms to prevent automated attack attempts. The implementation of multi-factor authentication should be considered as an additional security layer to reduce reliance on password-based authentication alone. Organizations should also conduct regular security assessments to identify similar vulnerabilities in other maritime navigation systems and ensure compliance with international maritime security standards such as those established by the International Maritime Organization and the International Convention for the Safety of Life at Sea. These measures align with cybersecurity frameworks including NIST SP 800-63B for authentication and password management practices, ensuring comprehensive protection against credential-based attacks.