Home/CVE/An Improper Resource Locking vulnerability in the SDM component of B&R Automation Runtime versions before 6.3 and before
CVE

CVE-2025-3450

An Improper Resource Locking vulnerability in the SDM component of B&R Automation Runtime versions before 6.3 and before

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.

CRITICAL · CVSS 10 EPSS 0.00058
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-413Improper Resource Locking
▣

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · cybersecurity@ch.abb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Oct 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisa-aa-advisoriesicsa-26-146-04
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.br-automation.com/fileadmin/SA25P002-f6a69e61.pdf
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