Is CVE-2025-3450 in the CISA KEV catalog?

No. CVE-2025-3450 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-3450?

CVE-2025-3450 has a CVSS v3 base score of 10.0 (CRITICAL).

What is the EPSS score for CVE-2025-3450?

CVE-2025-3450 has an EPSS score of 0.26% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-3450?

No published fix for CVE-2025-3450 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-3450

CRITICAL

10.0

CVSS v3

NVD

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.

CWE-413

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Exploit Intelligence

0.26%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Other references1

br-automation.com

Related Vulnerabilities

Other CWE-413 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-32748	High	7.5	8.9%	-	Fix
CVE-2019-17102	High	8.3	1.9%	-	Fix
CVE-2022-24946	High	7.5	1.6%	-	-
CVE-2022-20678	High	8.6	0.9%	-	-
CVE-2023-28649	High	8.6	0.5%	-	Fix
CVE-2023-33951	Medium	6.7	0.3%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-08.