CVE-2019-18269

CRITICAL
STIX 2.1 vulnerability

Record summary

CVE-2019-18269 has a selected CVSS score of 9.8 (critical).

Description

Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableYes
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Jun 2, 2026 · Source: CVE List

Affected products and versions

3
ProductSourceVersion range

Omron PLC CJ Series

Browse Omron / Omron PLC CJ Series

Default status: unaffected

CVE Listall versionsaffected

Omron PLC CS series

Browse Omron / Omron PLC CS series

Default status: unaffected

CVE Listall versionsaffected

Omron PLC NX1P2 series

Browse Omron / Omron PLC NX1P2 series

Default status: unaffected

CVE Listall versionsaffected

References

3