CVE•Published 2019-12-16•Modified 2026-06-02•1 article on news•5 live references•NVD data
CVE-2019-13533Omron · Plc_cj_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H
EPSS percentile
51
Exploit Prediction Scoring System · top 49% of all CVEs
Weaknesses (CWE)
Description
In Omron PLC CJ series, all versions, and Omron PLC CS series, all versions, an attacker could monitor traffic between the PLC and the controller and replay requests that could result in the opening and closing of industrial valves.
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-2019-13533Hosts 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-2019-13533Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2019-13533Censys host search filtered to this CVE id.
grep.app
CVE-2019-13533Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2019-13533GitHub code search for direct mentions.
Google dork
"CVE-2019-13533" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.