CVE-2025-3450

critical

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.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-146-04

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

Details

Source: Mitre, NVD

Published: 2025-10-07

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:C

Severity: High

CVSS v3

Base Score: 10

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

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: 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

Severity: Critical

EPSS

EPSS: 0.00036