{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-30T04:19:04.027","vulnerabilities":[{"cve":{"id":"CVE-2023-22421","sourceIdentifier":"vultures@jpcert.or.jp","published":"2023-03-06T00:15:10.580","lastModified":"2025-03-07T19:15:34.447","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-125"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-125"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:jtekt:kostac_plc_programming_software:*:*:*:*:*:*:*:*","versionEndIncluding":"1.6.9.0","matchCriteriaId":"EB48346C-6A6C-409A-A3E4-7A4DDB835FB1"}]}]}],"references":[{"url":"https://jvn.jp/en/vu/JVNVU94966432/","source":"vultures@jpcert.or.jp","tags":["Third Party Advisory"]},{"url":"https://www.electronics.jtekt.co.jp/en/topics/202303035258/","source":"vultures@jpcert.or.jp","tags":["Vendor Advisory"]},{"url":"https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/","source":"vultures@jpcert.or.jp","tags":["Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU94966432/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.electronics.jtekt.co.jp/en/topics/202303035258/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}