CVE-2026-6900: CWE-295 Improper certificate validation in B&R Industrial Automation GmbH APROL
CVE-2026-6900 is a high-severity vulnerability in B&R Industrial Automation GmbH's APROL product involving improper certificate validation. This flaw affects APROL versions before R 4.4-01P5 and could allow an attacker to compromise confidentiality and integrity. The vulnerability has a CVSS 3.1 base score of 7.4, indicating a network attack vector with high impact on confidentiality and integrity but no impact on availability. No official patch or remediation guidance has been provided yet by the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-6900) in B&R Industrial Automation GmbH APROL is due to improper certificate validation (CWE-295). It affects versions prior to R 4.4-01P5. The issue could allow an unauthenticated remote attacker to compromise the confidentiality and integrity of communications or data by exploiting the certificate validation weakness. The CVSS 3.1 score of 7.4 reflects a network attack vector requiring high attack complexity and no privileges or user interaction. No official remediation or patch has been disclosed as of the publication date.
Potential Impact
Successful exploitation could lead to disclosure of sensitive information and unauthorized modification of data or communications within the affected APROL systems. Availability is not impacted according to the CVSS vector. The vulnerability could undermine trust in secure communications due to improper certificate validation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should monitor vendor communications for updates. No specific mitigations or workarounds have been provided by the vendor at this time.
CVE-2026-6900: CWE-295 Improper certificate validation in B&R Industrial Automation GmbH APROL
Description
CVE-2026-6900 is a high-severity vulnerability in B&R Industrial Automation GmbH's APROL product involving improper certificate validation. This flaw affects APROL versions before R 4.4-01P5 and could allow an attacker to compromise confidentiality and integrity. The vulnerability has a CVSS 3.1 base score of 7.4, indicating a network attack vector with high impact on confidentiality and integrity but no impact on availability. No official patch or remediation guidance has been provided yet by the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.4high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-6900) in B&R Industrial Automation GmbH APROL is due to improper certificate validation (CWE-295). It affects versions prior to R 4.4-01P5. The issue could allow an unauthenticated remote attacker to compromise the confidentiality and integrity of communications or data by exploiting the certificate validation weakness. The CVSS 3.1 score of 7.4 reflects a network attack vector requiring high attack complexity and no privileges or user interaction. No official remediation or patch has been disclosed as of the publication date.
Potential Impact
Successful exploitation could lead to disclosure of sensitive information and unauthorized modification of data or communications within the affected APROL systems. Availability is not impacted according to the CVSS vector. The vulnerability could undermine trust in secure communications due to improper certificate validation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should monitor vendor communications for updates. No specific mitigations or workarounds have been provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ABB
- Date Reserved
- 2026-04-23T08:25:59.674Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a4b81c427e9c797194eeddc
Added to database: 07/06/2026, 10:21:56 UTC
Last enriched: 07/06/2026, 10:36:29 UTC
Last updated: 07/06/2026, 12:35:12 UTC
Views: 10
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