B&R Automation Runtime Use of a Broken or Risky Cryptographic Algorithm (CVE-2024-8603)

high Tenable OT Security Plugin ID 503274

Synopsis

The remote OT asset is affected by a vulnerability.

Description

B&R Automation Runtime and B&R mapp View generates self-signed certificates during the boot-up process if no certificates have been configured in the B&R Automation Studio project. These certificates are signed using an algorithm, which is no longer considered to be secure.

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: High

ID: 503274

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: Low

Score: 3.6

CVSS v3

Risk Factor: High

Base Score: 7.5

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

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: 1/16/2024

Vulnerability Publication Date: 1/16/2025

Reference Information

CVE: CVE-2024-8603

CWE: 327

ICSA: 25-028-01

Detections

Analytics