Vulnerability Monitor

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CVE-2020-5602

Mitsubishi Electoric FA Engineering Software (CPU Module Logging Configuration Tool Ver. 1.94Y and earlier, CW Configurator Ver. 1.010L and earlier, EM Software Development Kit (EM Configurator) Ver. 1.010L and earlier, GT Designer3 (GOT2000) Ver. 1.221F and earlier, GX LogViewer Ver. 1.96A and earlier, GX Works2 Ver. 1.586L and earlier, GX Works3 Ver. 1.058L and earlier, M_CommDTM-HART Ver. 1.00A, M_CommDTM-IO-Link Ver. 1.02C and earlier, MELFA-Works Ver. 4.3 and earlier, MELSEC-L Flexible High-Speed I/O Control Module Configuration Tool Ver.1.004E and earlier, MELSOFT FieldDeviceConfigurator Ver. 1.03D and earlier, MELSOFT iQ AppPortal Ver. 1.11M and earlier, MELSOFT Navigator Ver. 2.58L and earlier, MI Configurator Ver. 1.003D and earlier, Motion Control Setting Ver. 1.005F and earlier, MR Configurator2 Ver. 1.72A and earlier, MT Works2 Ver. 1.156N and earlier, RT ToolBox2 Ver. 3.72A and earlier, and RT ToolBox3 Ver. 1.50C and earlier) allows an attacker to conduct XML External Entity (XXE) attacks via unspecified vectors.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 20 products from mitsubishielectric, from mitsubishielectric, from mitsubishielectric and 17 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-06-30T11:15:11.333

Last Modified

2024-11-21T05:34:20.697

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-611

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mitsubishielectric	cpu_module_logging_configuration_tool	≤ 1.94y	Yes
Application	mitsubishielectric	cw_configurator	≤ 1.010l	Yes
Application	mitsubishielectric	em_configurator	≤ 1.010l	Yes
Application	mitsubishielectric	gt_designer3	≤ 1.221f	Yes
Application	mitsubishielectric	gx_logviewer	≤ 1.100e	Yes
Application	mitsubishielectric	gx_works2	≤ 1.590q	Yes
Application	mitsubishielectric	gx_works3	≤ 1.060n	Yes
Application	mitsubishielectric	m_commdtm-hart	≤ 1.01b	Yes
Application	mitsubishielectric	m_commdtm-io-link	≤ 1.03d	Yes
Application	mitsubishielectric	melfa-works	≤ 4.4	Yes
Application	mitsubishielectric	melsec-l_flexible_high-speed_i\/o_control_module_configuration_tool	≤ 1.005f	Yes
Application	mitsubishielectric	melsoft_fielddeviceconfigurator	≤ 1.04e	Yes
Application	mitsubishielectric	melsoft_iq_appportal	≤ 1.14q	Yes
Application	mitsubishielectric	melsoft_navigator	≤ 2.62q	Yes
Application	mitsubishielectric	mi_configurator	≤ 1.004e	Yes
Application	mitsubishielectric	motion_control_setting	≤ 1.006g	Yes
Application	mitsubishielectric	mr_configurator2	≤ 1.100e	Yes
Application	mitsubishielectric	mt_works2	≤ 1.160s	Yes
Application	mitsubishielectric	rt_toolbox2	≤ 3.73b	Yes
Application	mitsubishielectric	rt_toolbox3	≤ 1.60n	Yes

References

https://jvn.jp/en/vu/JVNVU90307594/index.html Third Party Advisory ([email protected])
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-004_en.pdf Mitigation, Vendor Advisory ([email protected])
https://jvn.jp/en/vu/JVNVU90307594/index.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-004_en.pdf Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mitsubishielectric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.