{"id":"CVE-2021-20586","state":"PUBLISHED","title":"Resource management errors vulnerability in a robot controller of MELFA FR Series(controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, controller \"CR800-*HD\" of RH-*FRH***-D-* al","description":"Resource management errors vulnerability in a robot controller of MELFA FR Series(controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions) and a robot controller of MELFA CR Series(controller \"CR800-CVD\" of RV-8CRL-D-* all versions, controller \"CR800-CHD\" of RH-*CRH**-D-* all versions) as well as a cooperative robot ASSISTA(controller \"CR800-05VD\" of RV-5AS-D-* all versions) allows a remote unauthenticated attacker to cause a DoS of the execution of the robot program and the Ethernet communication by sending a large amount of packets in burst over a short period of time. As a result of DoS, an error may occur. A reset is required to recover it if the error occurs.","publishedAt":"2021-01-29T14:54:32.000Z","updatedAt":"2024-08-03T17:45:44.779Z","severity":null,"assigner":"Mitsubishi","products":["n/a Robot Controller MELFA FR Series; Robot Controller CR Series; Cooperative Robot ASSISTA"],"affected":[{"vendor":"n/a","product":"Robot Controller MELFA FR Series; Robot Controller CR Series; Cooperative Robot ASSISTA","versions":[{"version":"Controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, Controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, Controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, Controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, Controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, Controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, Controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, Controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, Controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions","status":"affected"},{"version":"Controller \"CR800-CVD\" of RV-8CRL-D-* all versions, Controller \"CR800-CHD\" of RH-*CRH**-D-* all versions","status":"affected"},{"version":"Controller \"CR800-05VD\" of RV-5AS-D-* all versions","status":"affected"}]}],"references":["https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:55.610Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/20xxx/CVE-2021-20586.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-20586","state":"PUBLISHED","datePublished":"2021-01-29T14:54:32.000Z","dateUpdated":"2024-08-03T17:45:44.779Z","assignerShortName":"Mitsubishi","assignerOrgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad","dateReserved":"2020-12-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Resource management errors vulnerability in a robot controller of MELFA FR Series(controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions) and a robot controller of MELFA CR Series(controller \"CR800-CVD\" of RV-8CRL-D-* all versions, controller \"CR800-CHD\" of RH-*CRH**-D-* all versions) as well as a cooperative robot ASSISTA(controller \"CR800-05VD\" of RV-5AS-D-* all versions) allows a remote unauthenticated attacker to cause a DoS of the execution of the robot program and the Ethernet communication by sending a large amount of packets in burst over a short period of time. As a result of DoS, an error may occur. A reset is required to recover it if the error occurs."}],"affected":[{"vendor":"n/a","product":"Robot Controller MELFA FR Series; Robot Controller CR Series; Cooperative Robot ASSISTA","versions":[{"version":"Controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, Controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, Controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, Controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, Controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, Controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, Controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, Controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, Controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions","status":"affected"},{"version":"Controller \"CR800-CVD\" of RV-8CRL-D-* all versions, Controller \"CR800-CHD\" of RH-*CRH**-D-* all versions","status":"affected"},{"version":"Controller \"CR800-05VD\" of RV-5AS-D-* all versions","status":"affected"}]}],"references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"Resource management errors","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"Mitsubishi","dateUpdated":"2021-01-29T14:54:32.000Z","orgId":"e0f77b61-78fd-4786-b3fb-1ee347a748ad"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp","ID":"CVE-2021-20586","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Robot Controller MELFA FR Series; Robot Controller CR Series; Cooperative Robot ASSISTA","version":{"version_data":[{"version_value":"Controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, Controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, Controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, Controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, Controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, Controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, Controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, Controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, Controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions"},{"version_value":"Controller \"CR800-CVD\" of RV-8CRL-D-* all versions, Controller \"CR800-CHD\" of RH-*CRH**-D-* all versions"},{"version_value":"Controller \"CR800-05VD\" of RV-5AS-D-* all versions"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Resource management errors vulnerability in a robot controller of MELFA FR Series(controller \"CR800-*V*D\" of RV-*FR***-D-* all versions, controller \"CR800-*HD\" of RH-*FRH***-D-* all versions, controller \"CR800-*HRD\" of RH-*FRHR***-D-* all versions, controller \"CR800-*V*R with R16RTCPU\" of RV-*FR***-R-* all versions, controller \"CR800-*HR with R16RTCPU\" of RH-*FRH***-R-* all versions, controller \"CR800-*HRR with R16RTCPU\" of RH-*FRHR***-R-* all versions, controller \"CR800-*V*Q with Q172DSRCPU\" of RV-*FR***-Q-* all versions, controller \"CR800-*HQ with Q172DSRCPU\" of RH-*FRH***-Q-* all versions, controller \"CR800-*HRQ with Q172DSRCPU\" of RH-*FRHR***-Q-* all versions) and a robot controller of MELFA CR Series(controller \"CR800-CVD\" of RV-8CRL-D-* all versions, controller \"CR800-CHD\" of RH-*CRH**-D-* all versions) as well as a cooperative robot ASSISTA(controller \"CR800-05VD\" of RV-5AS-D-* all versions) allows a remote unauthenticated attacker to cause a DoS of the execution of the robot program and the Ethernet communication by sending a large amount of packets in burst over a short period of time. As a result of DoS, an error may occur. A reset is required to recover it if the error occurs."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Resource management errors"}]}]},"references":{"reference_data":[{"name":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf","refsource":"MISC","url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:45:44.779Z"}}]}}}