CVE-2023-22421

CVSS 7.8 HIGHEPSS 0.3%CWE-125

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

05 Mar 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

JTEKT ELECTRONICS CORPORATION · Kostac PLC Programming Software (Former name: Koyo PLC Programming Software)

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References

https://jvn.jp/en/vu/JVNVU94966432/https://www.electronics.jtekt.co.jp/en/topics/202303035258/https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/