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I. Basic Information for CVE-2021-20586
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款Mitsubishi Electric产品资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELFA FR等都是日本三菱(Mitsubishi Electric)公司的一个用于工业自动化的智能机器人。 多款Mitsubishi Electric产品存在资源管理错误漏洞,成功利用此漏洞可能会导致拒绝服务。以下产品及型号受到影响:Mitsubishi Electric MELFA FR,Mitsubishi Electric MELFA CR,Mitsubishi Electric MELFA ASSISTA。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-Robot Controller MELFA FR Series; Robot Controller CR Series; Cooperative Robot ASSISTA 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-* -
II. Public POCs for CVE-2021-20586
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III. Intelligence Information for CVE-2021-20586
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