Vulnerability in B&r Industrial Automation Gmbh Studio

CVE-2025-11043

An Improper Certificate Validation vulnerability in the OPC-UA client and ANSL over TLS client used in Automation Studio versions before 6.5 could allow an unauthenticated attacker on the network to position themselves to intercept and interfere with data exchanges.

Vulnerability class: Improper Certificate Validation

EPSS: 0.002 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-11043?
CVE-2025-11043 is a high-severity vulnerability in B&r Industrial Automation Gmbh Studio, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2026-01-19.
How severe is CVE-2025-11043?
High severity. CVSS v3 base score is 7.4 out of 10.