NetSight
high7.5

CVE-2020-5666

Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU…

Impact

Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU Firmware versions from '35' to '51') allows a remote attacker to cause an error in a CPU unit via a specially crafted HTTP packet, which may lead to a denial-of-service (DoS) condition in execution of the program and its communication.

Affected products

VendorProductAffected versions
MitsubishielectricMelsec Iq-R00 Firmware
from 05 through 19
MitsubishielectricMelsec Iq-R01 Firmware
from 05 through 19
MitsubishielectricMelsec Iq-R02 Firmware
from 05 through 19
MitsubishielectricMelsec Iq-R04 Firmware
from 35 through 51
MitsubishielectricMelsec Iq-R16 Firmware
from 35 through 51
MitsubishielectricMelsec Iq-R08 Firmware
from 35 through 51
MitsubishielectricMelsec Iq-R32 Firmware
from 35 through 51
MitsubishielectricMelsec Iq-R120 Firmware
from 35 through 51

Weakness classification

References