CVE-2026-6900
Received Received - Intake

Improper Certificate Validation in B&R APROL

Vulnerability report for CVE-2026-6900, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-06

Last updated on: 2026-07-06

Assigner: Asea Brown Boveri Ltd. (ABB)

Description

Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before R 4.4-01P5.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-06
Last Modified
2026-07-06
Generated
2026-07-06
AI Q&A
2026-07-06
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
br_industrial_automation_gmbh aprol to 4.4-01P5 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-295 The product does not validate, or incorrectly validates, a certificate.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an improper certificate validation issue found in B&R Industrial Automation GmbH's APROL software versions before R 4.4-01P5. Improper certificate validation means that the software does not correctly verify the authenticity or validity of security certificates, which can lead to security weaknesses.

Impact Analysis

The vulnerability has a high severity score (CVSS v4.0 BaseScore 9.1), indicating it can be exploited remotely without user interaction and without privileges. It can lead to a compromise of confidentiality and integrity of the system, potentially allowing attackers to bypass security controls or impersonate trusted entities.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-6900. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart