CVE-2023-22421
7.8 · HIGHOverview
CVE-2023-22421 is a high-severity vulnerability affecting jtekt kostac_plc_programming_software. It was published on March 6, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from jtekt. Update kostac_plc_programming_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| jtekt | kostac_plc_programming_software | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2023-22421?
CVE-2023-22421 is a high-severity vulnerability affecting jtekt kostac_plc_programming_software. It was published on March 6, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2023-22421?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-22421?
Check the references section for vendor advisories and patches from jtekt. Update kostac_plc_programming_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-22421?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-22421 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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