CVEvulnerability

CVE-2020-5666

7.5 HIGH Published 2020-11-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-11-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
Weaknesses
CWE-400

Description

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 configurations

• mitsubishielectric melsec iq-r00 firmware (>= 05 <= 19) • mitsubishielectric melsec iq-r01 firmware (>= 05 <= 19) • mitsubishielectric melsec iq-r02 firmware (>= 05 <= 19) • mitsubishielectric melsec iq-r04 firmware (>= 35 <= 51) • mitsubishielectric melsec iq-r16 firmware (>= 35 <= 51) • mitsubishielectric melsec iq-r08 firmware (>= 35 <= 51) • mitsubishielectric melsec iq-r32 firmware (>= 35 <= 51) • mitsubishielectric melsec iq-r120 firmware (>= 35 <= 51)

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References