What’s Vulnerable › Vulnerabilities

CVE-2019-18269

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-16 · updated 2026-06-17
• Weakness: CWE-412

Description

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

Affected products

• Omron Plc Cj Firmware: all versions
• Omron Plc Cs Firmware: all versions

References

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

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