CVE-2023-22419

Name: CVE-2023-22419
Creator: NVD / NIST
Published: 2023-03-06T00:15:10.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-22419 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier. When processing a comment block in stage information, the end of data cannot be verified and out-of-bounds read occurs. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier. When processing a comment block in stage information, the end of data cannot be verified and out-of-bounds read occurs. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.23%

14.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Jtekt	Kostac Plc Programming Software	<= 1.6.9.0

References

https://jvn.jp/en/vu/JVNVU94966432/Third Party Advisory
https://www.electronics.jtekt.co.jp/en/topics/202303035258/Vendor Advisory
https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/Vendor Advisory
https://jvn.jp/en/vu/JVNVU94966432/Third Party Advisory
https://www.electronics.jtekt.co.jp/en/topics/202303035258/Vendor Advisory
https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/Vendor Advisory

Timeline

Published: Mar 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22419?

How severe is CVE-2023-22419?

CVE-2023-22419 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22419?

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-2023-22419?

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

Scan your code now

Source: NVD / NIST