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

CVE-2019-18269

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

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

CRITICAL · CVSS 9.8 EPSS 0.00196
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-412Unrestricted Externally Accessible Lock
▤

Affected Products & Versions

2
omron plc cj firmwareall versions
omron plc cs firmwareall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · ics-cert@hq.dhs.gov
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Dec 2019 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2019-icsa-19-346-02
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.omron-cxone.com/security/2019-12-06_PLC_EN.pdf
https://www.us-cert.gov/ics/advisories/icsa-19-346-02Third Party AdvisoryUS Government Resource
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