{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T12:38:43.490","vulnerabilities":[{"cve":{"id":"CVE-2021-20611","sourceIdentifier":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","published":"2021-12-01T16:15:07.550","lastModified":"2024-11-21T05:46:52.650","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Improper Input Validation vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series R08/16/32/120SFCPU, MELSEC iQ-R Series R08/16/32/120PCPU, MELSEC iQ-R Series R08/16/32/120PSFCPU, MELSEC iQ-R Series R16/32/64MTCPU, MELSEC iQ-R Series R12CCPU-V, MELSEC Q Series Q03UDECPU, MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU, MELSEC Q Series Q03/04/06/13/26UDVCPU, MELSEC Q Series Q04/06/13/26UDPVCPU, MELSEC Q Series Q12DCCPU-V, MELSEC Q Series Q24DHCCPU-V(G), MELSEC Q Series Q24/26DHCCPU-LS, MELSEC Q Series MR-MQ100, MELSEC Q Series Q172/173DCPU-S1, MELSEC Q Series Q172/173DSCPU, MELSEC Q Series Q170MCPU, MELSEC Q Series Q170MSCPU(-S1), MELSEC L Series L02/06/26CPU(-P), MELSEC L Series L26CPU-(P)BT and MELIPC Series MI5122-VW allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending specially crafted packets. System reset is required for recovery."},{"lang":"es","value":"Vulnerabilidad de validación de entrada inadecuada en Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU Firmware versiones \"24\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R04/08/16/32/120(ES)CPU Firmware versiones \"57\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versiones \"28\" y anteriores, Mitsubishi Electric MELSEC iQ-R Series R08/16/32/120PCPU Firmware versiones \"29\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R08/16/32/120PSFCPU Versiones de firmware \"08\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R16/32/64MTCPU Versión de software del sistema operativo \"23\" y anteriores, Mitsubishi Electric MELSEC Serie iQ-R R12CCPU-V Versiones de firmware \"16\" y anteriores, Mitsubishi Electric MELSEC Serie Q Q03UDECPU Los primeros 5 dígitos del número de serie \"23121\" y anteriores, Mitsubishi Electric MELSEC Q Series Q04/06/10/13/20/26/50/100UDEHCPU Los primeros 5 dígitos del número de serie \"23121\" y anteriores, Mitsubishi Electric MELSEC Q Series Q03/04/06/13/26UDVCPU Los primeros 5 dígitos del número de serie \"23071\" y anteriores, Mitsubishi Electric MELSEC Q Series Q04/06/13/26UDPVCPU Los primeros 5 dígitos del número de serie \"23071\" y anteriores, Mitsubishi Electric MELSEC Q Series Q12DCCPU-V Los 5 primeros dígitos del número de serie \"24031\" y anteriores, Mitsubishi Electric MELSEC Q Series Q24DHCCPU-V(G) Los 5 primeros dígitos del número de serie \"24031\" y anteriores, Mitsubishi Electric MELSEC Q Series Q24/26DHCCPU-LS Los 5 primeros dígitos del número de serie \"24031\" y anteriores, Mitsubishi Electric MELSEC Q Series MR-MQ100 Versión de software del sistema operativo \"F\" y anteriores, Mitsubishi Electric MELSEC Q Series Q172/173DCPU-S1 Versión de software del sistema operativo \"W\" y anteriores, Mitsubishi Electric MELSEC Q Series Q172/173DSCPU Todas las versiones, Mitsubishi Electric MELSEC Serie Q Q170MCPU Versión de software del sistema operativo \"W\" y anteriores, Mitsubishi Electric MELSEC Serie Q Q170MSCPU(-S1) Todas las versiones, Mitsubishi Electric MELSEC Serie L L02/06/26CPU(-P) Los primeros 5 dígitos del número de serie \"23121\" y anteriores, Mitsubishi Electric MELSEC Serie L26CPU-(P)BT Los primeros 5 dígitos del número de serie \"23121\" y anteriores y Mitsubishi Electric MELIPC Serie MI5122-VW Versiones de firmware \"05\" y anteriores permiten a un atacante remoto no autentificado provocar una condición de denegación de servicio (DoS) mediante el envío de paquetes especialmente diseñados. Se requiere un reinicio del sistema para la recuperación"}],"metrics":{"cvssMetricV31":[{"source":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","type":"Secondary","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},{"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":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_iq-r_r00_cpu_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"24","matchCriteriaId":"B171EC8C-7564-48C3-8FFF-E1D497F16017"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mitsubishi:melsec_iq-r_r00_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"FC6B7E9C-C56C-4452-9A8A-3E8BF51ED354"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_iq-r_r01_cpu_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"24","matchCriteriaId":"0BD6F15A-91DD-4D21-93BA-0E68390F731C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mitsubishi:melsec_iq-r_r01_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"560D6AFE-4CDC-40D0-8C35-6749375B9B3C"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_iq-r_r02_cpu_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"24","matchCriteriaId":"135E6F50-EC7B-4E24-BD8A-5C46CBAF805F"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mitsubishi:melsec_iq-r_r02_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"E4D5746A-B9BC-4A4C-AF09-D2B16D54BF4D"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_iq-r_r04_cpu_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"57","matchCriteriaId":"374D1183-55DA-4F07-B25C-C6C9B0C45D82"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mitsubishi:melsec_iq-r_r04_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"DA6B52DA-0EF4-46BF-A36D-92F717F70987"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_iq-r_r08_cpu_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"57","matchCriteriaId":"1585EA5B-07EA-4B80-A731-27C2F8FEB9A6"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mitsubishi:melsec_iq-r_r08_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"CF4496AD-1EFC-4B1D-8122-799FA34B40CB"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_iq-r_r120_cpu_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"57","matchCriteriaId":"52A74E85-0359-47D8-AC48-19C7AE0D5443"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mitsubishi:melsec_iq-r_r120_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"3EB4326B-B4F4-40DD-8220-204D490FFB38"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_iq-r_r16_cpu_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"57","matchCriteriaId":"A7F38169-68B2-4D73-AC38-235C2C84EFA5"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:mitsubishi:melsec_iq-r_r16_cpu:-:*:*:*:*:*:*:*","matchCriteriaId":"CA42D2F8-7856-4983-8FA9-0421E039AE8C"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:mitsubishi:melsec_i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