Detections
Analytics

Unsecured Authentication Attempt Detected (Low)

low Tenable OT Security Plugin ID 503214

Synopsis

An unsecured authentication attempt has been detected.

Description

A server allow for authentication using credentials in an unencrypted manner over unencrypted channel. Such credentials might be revealed to an attacker intercepting this traffic and used to gain access to data on the server.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

1) Check if this communication was approved.

2) Consider migrating to more secure alternatives such as Secure Shell (SSH).

3) Reduce use of unencrypted protocols as much as possible.

Plugin Details

Severity: Low

ID: 503214

Version: 1.1

Type: remote

Published: 5/5/2025

Updated: 5/5/2025

Supported Sensors: Tenable OT Security