CVE-2019-18269

9.8 CRITICAL
Published: December 16, 2019 Modified: February 20, 2026
View on NVD

Description

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

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf
Source: ics-cert@hq.dhs.gov
https://www.us-cert.gov/ics/advisories/icsa-19-346-02
Source: ics-cert@hq.dhs.gov
Third Party Advisory US Government Resource
https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.us-cert.gov/ics/advisories/icsa-19-346-02
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.4%
57th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-412

Affected Vendors

omron

Related CVEs

CVE-2026-4519 N/A
CVE-2026-4487 8.8
CVE-2026-33312 N/A
CVE-2026-29794 5.3
CVE-2026-22172 9.9