CVE-2023-22421 - CVE House
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Status published Unknown CVE-2023-22421

Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former...

Vulnerability 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. The insufficient buffer size for the PLC program instructions leads to out-of-bounds read. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

JTEKT ELECTRONICS CORPORATION

View all reports →

Affected Software

Kostac PLC Programming Software (Former name: Koyo PLC Programming Software)
Vulnerable Versions:
Version 1.6.9.0 and earlier

Timeline

Official Publish: March 5th, 2023
Last Modified: March 7th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.