{"id":"CVE-2023-22421","state":"PUBLISHED","title":"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 fo","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.","publishedAt":"2023-03-05T00:00:00.000Z","updatedAt":"2025-03-07T18:15:14.304Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"jpcert","products":["JTEKT ELECTRONICS CORPORATION Kostac PLC Programming Software (Former name: Koyo PLC Programming Software)"],"affected":[{"vendor":"JTEKT ELECTRONICS CORPORATION","product":"Kostac PLC Programming Software (Former name: Koyo PLC Programming Software)","versions":[{"version":"Version 1.6.9.0 and earlier","status":"affected"}]}],"references":["https://www.electronics.jtekt.co.jp/en/topics/202303035258/","https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/","https://jvn.jp/en/vu/JVNVU94966432/"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/22xxx/CVE-2023-22421.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-22421","state":"PUBLISHED","datePublished":"2023-03-05T00:00:00.000Z","dateUpdated":"2025-03-07T18:15:14.304Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2022-12-28T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"JTEKT ELECTRONICS CORPORATION","product":"Kostac PLC Programming Software (Former name: Koyo PLC Programming Software)","versions":[{"version":"Version 1.6.9.0 and earlier","status":"affected"}]}],"references":[{"url":"https://www.electronics.jtekt.co.jp/en/topics/202303035258/"},{"url":"https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/"},{"url":"https://jvn.jp/en/vu/JVNVU94966432/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"Out-of-bounds read"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2023-03-05T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.electronics.jtekt.co.jp/en/topics/202303035258/","tags":["x_transferred"]},{"url":"https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/","tags":["x_transferred"]},{"url":"https://jvn.jp/en/vu/JVNVU94966432/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T10:07:06.743Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-03-07T18:14:40.447504Z","id":"CVE-2023-22421","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","type":"CWE","lang":"en","description":"CWE-125 Out-of-bounds Read"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-07T18:15:14.304Z"}}]}}}