How severe is CVE-2023-22419?

CVE-2023-22419 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-22419 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22419?

CVE-2023-22419 affects Jtekt Kostac Plc Programming Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22419?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-22419 published?

CVE-2023-22419 was published on 2023-03-06 and last updated on 2026-06-17.

CVE-2023-22419

CVE-2023-22419 is a high-severity vulnerability in Jtekt Kostac Plc Programming Software with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Jtekt Kostac Plc Programming Software
Published: 2023-03-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-22419?: 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.
How severe is CVE-2023-22419?: CVE-2023-22419 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-22419 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22419?: CVE-2023-22419 affects Jtekt Kostac Plc Programming Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22419?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-22419 published?: CVE-2023-22419 was published on 2023-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jtekt:kostac_plc_programming_software:*:*:*:*:*:*:*:*

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