7.8
CVSSv2

CVE-2021-20586

Published: 29/01/2021 Updated: 12/07/2022
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

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 malicious user 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.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

mitsubishielectric rv2fr_firmware

mitsubishielectric rv2frl_firmware

mitsubishielectric rv4fr_firmware

mitsubishielectric rv4frl_firmware

mitsubishielectric rv7fr_firmware

mitsubishielectric rv7frl_firmware

mitsubishielectric rv7frll_firmware

mitsubishielectric rv13fr_firmware

mitsubishielectric rv13frl_firmware

mitsubishielectric rv20fr_firmware

mitsubishielectric rh1frhr_firmware

mitsubishielectric rh3frhr_firmware

mitsubishielectric rh3frh35_firmware

mitsubishielectric rh3frh45_firmware

mitsubishielectric rh3frh55_firmware

mitsubishielectric rh6frh35_firmware

mitsubishielectric rh6frh45_firmware

mitsubishielectric rh6frh55_firmware

mitsubishielectric rh12frh55_firmware

mitsubishielectric rh12rfh70_firmware

mitsubishielectric rh12frh85_firmware

mitsubishielectric rh20frh85_firmware

mitsubishielectric rh20frh100_firmware

mitsubishielectric rv2fr\\(b\\)_firmware

mitsubishielectric rv2frl\\(b\\)_firmware

mitsubishielectric rv4frm\\/c_firmware

mitsubishielectric rv4frlm\\/c_firmware

mitsubishielectric rv7frm\\/c_firmware

mitsubishielectric rv7frlm\\/c_firmware

mitsubishielectric rv7frllm\\/c_firmware

mitsubishielectric rv13frm\\/c_firmware

mitsubishielectric rv13frlm\\/c_firmware

mitsubishielectric rv20frm\\/c_firmware