B&R Automation Runtime Use of a Cryptographic Primitive with a Risky Implementation (CVE-2024-0323)

critical Tenable OT Security Plugin ID 503271

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The FTP server used on the B&R Automation Runtime supports unsecure encryption mechanisms, such as SSLv3, TLSv1.0 and TLS1.1. An network- based attacker can exploit the flaws to conduct man-in-the-middle attacks or to decrypt communications between the affected product clients.

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

Solution

Refer to the vendor advisory.

Plugin Details

Severity: Critical

ID: 503271

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 6/13/2025

Updated: 6/13/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/a:br-automation:automation_runtime

Required KB Items: Tenable.ot/BRAutomation

Exploit Ease: No known exploits are available

Patch Publication Date: 2/5/2024

Vulnerability Publication Date: 2/5/2024

Reference Information

CVE: CVE-2024-0323

CWE: 1240

Detections

Analytics