{"id":"CVE-2021-27477","state":"PUBLISHED","title":"When JTEKT Corporation TOYOPUC PLC versions PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano","description":"When JTEKT Corporation TOYOPUC PLC versions PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, and PC10GE receive an invalid frame, the outside area of a receive buffer for FL-net are overwritten. As a result, the PLC CPU detects a system error, and the affected products stop.","publishedAt":"2021-07-01T12:01:36.000Z","updatedAt":"2024-08-03T20:48:17.271Z","severity":null,"assigner":"icscert","products":["n/a JTEKT Corporation TOYOPUC PLC"],"affected":[{"vendor":"n/a","product":"JTEKT Corporation TOYOPUC PLC","versions":[{"version":"The following versions of the PLC are affected: PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, PC10GE.","status":"affected"}]}],"references":["https://us-cert.cisa.gov/ics/advisories/icsa-21-180-04"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T19:48:15.637Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/27xxx/CVE-2021-27477.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-27477","state":"PUBLISHED","datePublished":"2021-07-01T12:01:36.000Z","dateUpdated":"2024-08-03T20:48:17.271Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2021-02-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"When JTEKT Corporation TOYOPUC PLC versions PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, and PC10GE receive an invalid frame, the outside area of a receive buffer for FL-net are overwritten. As a result, the PLC CPU detects a system error, and the affected products stop."}],"affected":[{"vendor":"n/a","product":"JTEKT Corporation TOYOPUC PLC","versions":[{"version":"The following versions of the PLC are affected: PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, PC10GE.","status":"affected"}]}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-180-04","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"IMPROPER RESTRICTION OF OPERATIONS WITHIN THE BOUNDS OF A MEMORY BUFFER CWE-119","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","dateUpdated":"2021-07-01T12:01:36.000Z","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","ID":"CVE-2021-27477","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"JTEKT Corporation TOYOPUC PLC","version":{"version_data":[{"version_value":"The following versions of the PLC are affected: PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, PC10GE."}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"When JTEKT Corporation TOYOPUC PLC versions PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, and PC10GE receive an invalid frame, the outside area of a receive buffer for FL-net are overwritten. As a result, the PLC CPU detects a system error, and the affected products stop."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"IMPROPER RESTRICTION OF OPERATIONS WITHIN THE BOUNDS OF A MEMORY BUFFER CWE-119"}]}]},"references":{"reference_data":[{"name":"https://us-cert.cisa.gov/ics/advisories/icsa-21-180-04","refsource":"MISC","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-180-04"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-180-04","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T20:48:17.271Z"}}]}}}