{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-26T21:46:40.100","vulnerabilities":[{"cve":{"id":"CVE-2021-27477","sourceIdentifier":"ics-cert@hq.dhs.gov","published":"2021-07-01T13:15:08.003","lastModified":"2026-06-17T03:44:56.673","vulnStatus":"Modified","cveTags":[],"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."},{"lang":"es","value":"Cuando JTEKT Corporation TOYOPUC PLC versiones 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 y PC10GE reciben una trama no válida, el área exterior de un búfer de recepción para FL-net se sobrescribe. Como resultado, la CPU del PLC detecta un error del sistema y los productos afectados se detienen"}],"affected":[{"source":"ics-cert@hq.dhs.gov","affectedData":[{"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"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:C","baseScore":7.8,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"ics-cert@hq.dhs.gov","type":"Secondary","description":[{"lang":"en","value":"CWE-119"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:pc10g-cpu_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"3.91","matchCriteriaId":"22D9DDA3-97E5-4126-A25C-B97CC4E0ECB1"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:pc10g-cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"BC86B853-5B5B-4289-9A44-5CE055B043EE"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:2port-efr_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.50","matchCriteriaId":"C664399E-1234-4B87-A95F-3D3EED021E7E"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:2port-efr:-:*:*:*:*:*:*:*","matchCriteriaId":"3A13F82D-1759-4599-A976-185A13624362"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:plus_cpu_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"3.11","matchCriteriaId":"A5D1D75E-5D41-4B0E-AF16-6A23E012185F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:plus_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"9D9F88F4-3DBA-4BCB-B335-792ACD46C41D"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:plus_ex_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"3.11","matchCriteriaId":"F60432C2-5D24-4A00-BF0B-1E658DD7E10C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:plus_ex:-:*:*:*:*:*:*:*","matchCriteriaId":"CBBBFB02-98BA-49AA-89EC-5A2A601425F8"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:plus_ex2_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"3.11","matchCriteriaId":"90926718-2F18-40AB-8DB5-8D15D66D8396"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:plus_ex2:-:*:*:*:*:*:*:*","matchCriteriaId":"BA38A495-AF65-4819-BEBC-F23A4B8FFA0F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:plus_efr_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"3.11","matchCriteriaId":"FD733D20-E696-4713-9509-AEED02753EF0"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:plus_efr:-:*:*:*:*:*:*:*","matchCriteriaId":"466211B5-2205-4C37-ABBC-0C0E089D8C27"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:plus_efr2_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"3.11","matchCriteriaId":"3EC7E293-6A02-405D-8D0F-9D28220463E1"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:plus_efr2:-:*:*:*:*:*:*:*","matchCriteriaId":"7AC3C38F-361E-4FF9-B7DE-06B559501DA7"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:plus_2p-efr_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"3.11","matchCriteriaId":"E4791655-E74A-4095-8D8F-2C2B4503CC12"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:plus_2p-efr:-:*:*:*:*:*:*:*","matchCriteriaId":"46EBD44A-2598-4E62-8A55-A752A64EDE98"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:jtekt:pc10p-dp_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"1.50","matchCriteriaId":"EE4A9827-4275-4272-9296-FFF0D9E384D4"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:jtekt:pc10p-dp:-:*:*:*:*:*:*:*","matchCriteriaId":"D0B3FDE8-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