AR
Product
Automation Runtime
7
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
VulnerabilityCritical
ABB B&R Automation Runtime DoS Vulnerability in System Diagnostics Manager (SDM)
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Summary
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.
The following versions of ABB B&R Automation Runtime DoS Vulnerability in System Diagnostics Manager (SDM) are affected:
Automation Runtime <6.3
Automation Runtime <Q4.93
CVSS
Vendor
Equipment
Vulnerabilities
v3 10
B&R
ABB B&R Automation Runtime DoS Vulnerability in System Diagnostics Manager (SDM)
Improper Resource Locking
Background
Critical Infrastructure Sectors: Chemical, Communications, Critical Manufacturing, Dams, Energy, Healthcare and Public Health, Information Technology, Water and Wastewater
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Switzerland
Vulnerabilities
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CVE-2025-3450
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.
View CVE Details
Affected Products
ABB B&R Automation Runtime DoS Vulnerability in System Diagnostics Manager (SDM)
Vendor: B&R
Product Version: Automation Runtime <6.3, Automation Runtime <Q4.93
Product Statu...
May 26, 2026·CISA Advisories
