CVE-2020-5594

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules all versions contain a vulnerability that allows cleartext transmission of sensitive information between CPU modules and GX Works3 and/or GX Works2 via unspecified vectors.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-319

Affected software

No affected versions have been published.

Timeline

Published: Jun 23, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-55959.8TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, CVE-2020-55967.5TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, CVE-2020-55977.5TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, CVE-2020-55987.5TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, CVE-2020-55999.8TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, CVE-2020-56007.5TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, CVE-2020-56018.8Chrome Extension for e-Tax Reception System Ver1.0.0.0 allows remote attackers to execute an arbitrary command via unspecified vectors.CVE-2020-56027.5Mitsubishi Electoric FA Engineering Software (CPU Module Logging Configuration Tool Ver. 1.94Y and earlier, CW Configurator Ver. 1.010L and CVE-2020-56037.5Uncontrolled resource consumption vulnerability in Mitsubishi Electoric FA Engineering Software (CPU Module Logging Configuration Tool Ver. CVE-2020-56048.1Android App 'Mercari' (Japan version) prior to version 3.52.0 allows arbitrary method execution of a Java object by a remote attacker via a CVE-2020-56054.3Directory traversal vulnerability in WHR-G54S firmware 1.43 and earlier allows an attacker to access sensitive information such as setting v CVE-2020-56066.1Cross-site scripting vulnerability in WHR-G54S firmware 1.43 and earlier allows remote attackers to inject arbitrary script via a specially