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TI-2023-08682 Aliases CVE-2023-22424GHSA-82v2-v4p5-fg34

Use after free in JTEKT ELECTRONICS CORPORATION Kostac PLC Programming Software

Priority LOW 36CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Use-after-free vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier. With the abnormal value given as the maximum number of columns for the PLC program, the process accesses the freed memory. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JTEKT ELECTRONICS CORPORATIONKostac PLC Programming Software (Former name: Koyo PLC Programming Software)up to 1.6.9.0—No fix listedCNA
  • Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) VendorJTEKT ELECTRONICS CORPORATION Affected up to 1.6.9.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jtekt:kostac_plc_programming_software:*:*:*:*:*:*:*:*up to 1.6.9.0VulnerableJTEKT ELECTRONICS CORPORATION

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-22424
  2. 2026-10-03 Alias added: GHSA-82v2-v4p5-fg34

References

Advisory 3

  • TI-2023-08680 Out-of-bounds read in JTEKT ELECTRONICS CORPORATION Kostac PLC Programming Software CVSS 3.1HIGH 7.8
  • TI-2023-08679 Out-of-bounds read in JTEKT ELECTRONICS CORPORATION Kostac PLC Programming Software CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences