CVE-2019-13533

Name: CVE-2019-13533
Creator: NVD / NIST
Published: 2019-12-16T20:15:14.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2019-13533 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:H

EPSS Probability

0.87%

54.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Omron	Plc Cj Firmware	All versions
Omron	Plc Cs Firmware	All versions

References

https://www.us-cert.gov/ics/advisories/icsa-19-346-02Third Party Advisory, US Government Resource
https://www.us-cert.gov/ics/advisories/icsa-19-346-02Third Party Advisory, US Government Resource

Timeline

Published: Dec 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-13533?

How severe is CVE-2019-13533?

CVE-2019-13533 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2019-13533?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-13533?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST