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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jtekt | Kostac Plc Programming Software | <= 1.6.9.0 |
Related Weaknesses (CWE)
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
FAQ
What is CVE-2023-22421?
CVE-2023-22421 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 in...
How severe is CVE-2023-22421?
CVE-2023-22421 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-22421?
Check the references section above for vendor advisories and patch information. Affected products include: Jtekt Kostac Plc Programming Software.