{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-20586",
        "ASSIGNER": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "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"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Resource management errors"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf",
                "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-019_en.pdf"
            }
        ]
    },
    "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."
            }
        ]
    }
}