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OpenAdvisories
High · 7.5 CVE-2021-20587 EUVD-2021-8005GHSA-66m6-mhcr-vj8v

Heap-based buffer overflow vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration Tool versions 1.1…

Published Feb 19, 2021 · Updated Jun 12, 2025 · Assigned by Mitsubishi

Description

Heap-based buffer overflow vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration Tool versions 1.112R and prior, CW Configurator versions 1.011M and prior, Data Transfer versions 3.44W and prior, EZSocket versions 5.4 and prior, FR Configurator all versions, FR Configurator SW3 all versions, FR Configurator2 versions 1.24A and prior, GT Designer3 Version1(GOT1000) versions 1.250L and prior, GT Designer3 Version1(GOT2000) versions 1.250L and prior, GT SoftGOT1000 Version3 versions 3.245F and prior, GT SoftGOT2000 Version1 versions 1.250L and prior, GX Configurator-DP versions 7.14Q and prior, GX Configurator-QP all versions, GX Developer versions 8.506C and prior, GX Explorer all versions, GX IEC Developer all versions, GX LogViewer versions 1.115U and prior, GX RemoteService-I all versions, GX Works2 versions 1.597X and prior, GX Works3 versions 1.070Y and prior, iQ Monozukuri ANDON (Data Transfer) versions 1.003D and prior, iQ Monozukuri Process Remote Monitoring (Data Transfer) versions 1.002C and prior, M_CommDTM-HART all versions, M_CommDTM-IO-Link versions 1.03D and prior, MELFA-Works versions 4.4 and prior, MELSEC WinCPU Setting Utility all versions, MELSOFT EM Software Development Kit (EM Configurator) versions 1.015R and prior, MELSOFT Navigator versions 2.74C and prior, MH11 SettingTool Version2 versions 2.004E and prior, MI Configurator versions 1.004E and prior, MT Works2 versions 1.167Z and prior, MX Component versions 5.001B and prior, Network Interface Board CC IE Control utility versions 1.29F and prior, Network Interface Board CC IE Field Utility versions 1.16S and prior, Network Interface Board CC-Link Ver.2 Utility versions 1.23Z and prior, Network Interface Board MNETH utility versions 34L and prior, PX Developer versions 1.53F and prior, RT ToolBox2 versions 3.73B and prior, RT ToolBox3 versions 1.82L and prior, Setting/monitoring tools for the C Controller module (SW4PVC-CCPU) versions 4.12N and prior, and SLMP Data Collector versions 1.04E and prior) allows a remote unauthenticated attacker to cause a DoS condition on the software products, and possibly to execute a malicious code on the personal computer running the software products although it has not been reproduced, by spoofing MELSEC, GOT or FREQROL and returning crafted reply packets.

Affected products

VendorProductAffectedFixed
Mitsubishi Electric CPU Module Logging Configuration Tool 1.112R and prior —
Mitsubishi Electric CW Configurator 1.011M and prior —
Mitsubishi Electric Data Transfer 3.44W and prior —
Mitsubishi Electric EZSocket 5.4 and prior —
Mitsubishi Electric FR Configurator all versions —
Mitsubishi Electric FR Configurator SW3 all versions —
Mitsubishi Electric FR Configurator2 1.24A and prior —
Mitsubishi Electric GT Designer3 Version1(GOT1000) 1.250L and prior —
Mitsubishi Electric GT Designer3 Version1(GOT2000) 1.250L and prior —
Mitsubishi Electric GT SoftGOT1000 Version3 3.245F and prior —
Mitsubishi Electric GT SoftGOT2000 Version1 1.250L and prior —
Mitsubishi Electric GX Configurator-DP 7.14Q and prior —
Mitsubishi Electric GX Configurator-QP all versions —
Mitsubishi Electric GX Developer 8.506C and prior —
Mitsubishi Electric GX Explorer all versions —
Mitsubishi Electric GX IEC Developer all versions —
Mitsubishi Electric GX LogViewer 1.115U and prior —
Mitsubishi Electric GX RemoteService-I all versions —
Mitsubishi Electric GX Works2 1.597X and prior —
Mitsubishi Electric GX Works3 1.070Y and prior —
Mitsubishi Electric iQ Monozukuri ANDON (Data Transfer) 1.003D and prior —
Mitsubishi Electric iQ Monozukuri Process Remote Monitoring (Data Transfer) 1.002C and prior —
Mitsubishi Electric M_CommDTM-HART all versions —
Mitsubishi Electric M_CommDTM-IO-Link 1.03D and prior —
Mitsubishi Electric MELFA-Works 4.4 and prior —
Mitsubishi Electric MELSEC WinCPU Setting Utility all versions —
Mitsubishi Electric MELSOFT EM Software Development Kit (EM Configurator) 1.015R and prior —
Mitsubishi Electric MELSOFT Navigator 2.74C and prior —
Mitsubishi Electric MH11 SettingTool Version2 2.004E and prior —
Mitsubishi Electric MI Configurator 1.004E and prior —
Mitsubishi Electric MT Works2 1.167Z and prior —
Mitsubishi Electric MX Component 5.001B and prior —
Mitsubishi Electric Network Interface Board CC IE Control utility 1.29F and prior —
Mitsubishi Electric Network Interface Board CC IE Field Utility 1.16S and prior —
Mitsubishi Electric Network Interface Board CC-Link Ver.2 Utility 1.23Z and prior —
Mitsubishi Electric Network Interface Board MNETH utility 34L and prior —
Mitsubishi Electric PX Developer 1.53F and prior —
Mitsubishi Electric RT ToolBox2 3.73B and prior —
Mitsubishi Electric RT ToolBox3 1.82L and prior —
Mitsubishi Electric Setting/monitoring tools for the C Controller module (SW4PVC-CCPU) 4.12N and prior —
Mitsubishi Electric SLMP Data Collector 1.04E and prior —

Advisories 1

References