Vulnerability · Published Mar 5, 2023 · Assigned by jpcert
CVE-2023-22421
High 7.8
In plain English
A high-severity out-of-bounds read in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) from JTEKT ELECTRONICS CORPORATION. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| JTEKT ELECTRONICS CORPORATION | Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) | Version 1.6.9.0 and earlier |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H