B&R Automation Runtime DoS Vulnerability in System Diagnostics Manager (SDM)
An update is available that resolves a vulnerability identified by B&Rs internal security analysis in the product versions listed as affected in this advisory. An attacker who successfully exploited this vulnerability could cause the product to stop.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-3450US | — | — | ||
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 t… | ||||
references
External citations — patches, advisories, analysis.
remediations (1)
- FixedAutomation Runtime
The problem is corrected in Automation Runtime versions 6.3 and Q4.93. The System Diagnostic Manager (SDM) is disabled by default in Automation Runtime 6 and is not in-tended be enabled on active systems located outside properly secured production networks or in facilities lacking adequate physical and logical access controls to prevent any form of unauthorized interaction. For customers who use SDM on their systems, B&R recommends applying the update at the earliest convenience. The process to install updates is described in the user manual. The step to identify the installed product version is described in the user manual.
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