# CVE-2019-18269

## Summary

- **CVE ID:** CVE-2019-18269
- **Severity:** HIGH
- **CVSS Score:** 8.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H)
- **CWE:** CWE-412
- **Published:** Dec 16, 2019
- **Last Modified:** Jun 2, 2026

## Description

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

## Affected Products

- Omron — Omron PLC CJ Series (all versions)
- Omron — Omron PLC CS series (all versions)
- Omron — Omron PLC NX1P2 series (all versions)

## References

- [CNA](https://www.us-cert.gov/ics/advisories/icsa-19-346-02)
- [CNA](https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.35%
- **EPSS Percentile:** 57.1

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._