CVE-2023-39982: Moxa Mxsecurity

Medium severity, CVSS 5.9. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in MXsecurity versions prior to v1.0.1. The vulnerability may put the confidentiality and integrity of SSH communications at risk on the affected device. This vulnerability is attributed to a hard-coded SSH host key, which might facilitate man-in-the-middle attacks and enable the decryption of SSH traffic.

Affected products

• Moxa Mxsecurity: up to and including 1.0.1

Published 2023-09-02. Last modified 2026-06-17.