CVE•Published 2019-12-16•Modified 2026-06-02•1 article on news•4 live references•NVD data
CVE-2019-18269Omron · Plc_cj_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
43
Exploit Prediction Scoring System · top 57% of all CVEs
Weaknesses (CWE)
Description
Omron’s CS and CJ series PLCs have an unrestricted externally accessible lock vulnerability.
Timeline
Published 2019-12-16
Modified 2026-06-02
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2019-18269Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Plc Cj Firmware"Hosts Shodan identified as running Plc Cj Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2019-18269Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2019-18269Censys host search filtered to this CVE id.
grep.app
CVE-2019-18269Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2019-18269GitHub code search for direct mentions.
Google dork
"CVE-2019-18269" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.