Published: 16/11/2020 Updated: 03/12/2020

CVSS v2 Base Score: 7.1 | Impact Score: 6.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9

VMScore: 632

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

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 malicious user 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
mitsubishielectric melsec_iq-r00_firmware
mitsubishielectric melsec_iq-r01_firmware
mitsubishielectric melsec_iq-r02_firmware
mitsubishielectric melsec_iq-r04_firmware
mitsubishielectric melsec_iq-r16_firmware
mitsubishielectric melsec_iq-r08_firmware
mitsubishielectric melsec_iq-r32_firmware
mitsubishielectric melsec_iq-r120_firmware

CWE-400 https://jvn.jp/jp/JVN44764844/index.html https://jvn.jp/en/jp/JVN44764844/index.html https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-015_en.pdf https://us-cert.cisa.gov/ics/advisories/icsa-20-317-01 https://nvd.nist.gov

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CVE-2020-5666

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