CVE Vulnerabilities

CVE-2021-20586

Published: Jan 29, 2021 | Modified: Jul 12, 2022
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
7.8 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
RedHat/V3
Ubuntu

Resource management errors vulnerability in a robot controller of MELFA FR Series(controller CR800-VD 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-VR 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-VQ 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 Software

Name Vendor Start Version End Version
Rv2fr_firmware Mitsubishielectric * *

References