CVE-2025-3450

Automation Runtime SDM requests may impact system

State: Published
Severity: 9.3 Critical
Published: Oct 7, 2025
Updated: Oct 8, 2025
Reserved: Apr 8, 2025

Description

An Improper Resource Locking vulnerability in the SDM component of B&R Automation Runtime versions before 6.3 and before Q4.93 may allow an unauthenticated network-based attacker to delete data causing denial of service conditions.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H	ABB
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H	ABB

Weaknesses

CWE-413 Improper Resource Locking

Affected Products

Product	Versions
Automation RuntimeB&R Industrial Automation	6.0 to before 6.3Affected 4.0 to before Q4.93Affected

References

https://www.br-automation.com/fileadmin/SA25P002-f6a69e61.pdf

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