Description
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.
Scores
CVSS v3
7.4
EPSS
0.0003
EPSS Percentile
7.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-295
Status
published
Products (2)
B&R Industrial Automation GmbH/B&R Automation Studio
4
B&R Industrial Automation GmbH/B&R Automation Studio
6 - 6.5
Published
Jan 19, 2026
Tracked Since
Feb 18, 2026