CVE-2021-20587 (GCVE-0-2021-20587)

Vulnerability from cvelistv5 – Published: 2021-02-19 19:55 – Updated: 2025-06-12 23:11
VLAI?
Summary
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.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Mitsubishi Electric Corporation CPU Module Logging Configuration Tool Affected: 1.112R and prior
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    Mitsubishi Electric Corporation CW Configurator Affected: 1.011M and prior
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    Mitsubishi Electric Corporation Data Transfer Affected: 3.44W and prior
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    Mitsubishi Electric Corporation EZSocket Affected: 5.4 and prior
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    Mitsubishi Electric Corporation FR Configurator Affected: all versions
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    Mitsubishi Electric Corporation FR Configurator SW3 Affected: all versions
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    Mitsubishi Electric Corporation FR Configurator2 Affected: 1.24A and prior
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    Mitsubishi Electric Corporation GT Designer3 Version1(GOT1000) Affected: 1.250L and prior
Create a notification for this product.
    Mitsubishi Electric Corporation GT Designer3 Version1(GOT2000) Affected: 1.250L and prior
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    Mitsubishi Electric Corporation GT SoftGOT1000 Version3 Affected: 3.245F and prior
Create a notification for this product.
    Mitsubishi Electric Corporation GT SoftGOT2000 Version1 Affected: 1.250L and prior
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    Mitsubishi Electric Corporation GX Configurator-DP Affected: 7.14Q and prior
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    Mitsubishi Electric Corporation GX Configurator-QP Affected: all versions
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    Mitsubishi Electric Corporation GX Developer Affected: 8.506C and prior
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    Mitsubishi Electric Corporation GX Explorer Affected: all versions
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    Mitsubishi Electric Corporation GX IEC Developer Affected: all versions
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    Mitsubishi Electric Corporation GX LogViewer Affected: 1.115U and prior
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    Mitsubishi Electric Corporation GX RemoteService-I Affected: all versions
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    Mitsubishi Electric Corporation GX Works2 Affected: 1.597X and prior
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    Mitsubishi Electric Corporation GX Works3 Affected: 1.070Y and prior
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    Mitsubishi Electric Corporation iQ Monozukuri ANDON (Data Transfer) Affected: 1.003D and prior
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    Mitsubishi Electric Corporation iQ Monozukuri Process Remote Monitoring (Data Transfer) Affected: 1.002C and prior
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    Mitsubishi Electric Corporation M_CommDTM-HART Affected: all versions
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    Mitsubishi Electric Corporation M_CommDTM-IO-Link Affected: 1.03D and prior
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    Mitsubishi Electric Corporation MELFA-Works Affected: 4.4 and prior
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    Mitsubishi Electric Corporation MELSEC WinCPU Setting Utility Affected: all versions
Create a notification for this product.
    Mitsubishi Electric Corporation MELSOFT EM Software Development Kit (EM Configurator) Affected: 1.015R and prior
Create a notification for this product.
    Mitsubishi Electric Corporation MELSOFT Navigator Affected: 2.74C and prior
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    Mitsubishi Electric Corporation MH11 SettingTool Version2 Affected: 2.004E and prior
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    Mitsubishi Electric Corporation MI Configurator Affected: 1.004E and prior
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    Mitsubishi Electric Corporation MT Works2 Affected: 1.167Z and prior
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    Mitsubishi Electric Corporation MX Component Affected: 5.001B and prior
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    Mitsubishi Electric Corporation Network Interface Board CC IE Control utility Affected: 1.29F and prior
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    Mitsubishi Electric Corporation Network Interface Board CC IE Field Utility Affected: 1.16S and prior
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    Mitsubishi Electric Corporation Network Interface Board CC-Link Ver.2 Utility Affected: 1.23Z and prior
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    Mitsubishi Electric Corporation Network Interface Board MNETH utility Affected: 34L and prior
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    Mitsubishi Electric Corporation PX Developer Affected: 1.53F and prior
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    Mitsubishi Electric Corporation RT ToolBox2 Affected: 3.73B and prior
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    Mitsubishi Electric Corporation RT ToolBox3 Affected: 1.82L and prior
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    Mitsubishi Electric Corporation Setting/monitoring tools for the C Controller module (SW4PVC-CCPU) Affected: 4.12N and prior
Create a notification for this product.
    Mitsubishi Electric Corporation SLMP Data Collector Affected: 1.04E and prior
Create a notification for this product.
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        {
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          "defaultStatus": "unaffected",
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        {
          "defaultStatus": "unaffected",
          "product": "GX Configurator-DP",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
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        {
          "defaultStatus": "unaffected",
          "product": "GX Configurator-QP",
          "vendor": "Mitsubishi Electric Corporation",
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        },
        {
          "defaultStatus": "unaffected",
          "product": "GX Developer",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "8.506C and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "GX Explorer",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
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        },
        {
          "defaultStatus": "unaffected",
          "product": "GX IEC Developer",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
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              "version": "all versions"
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        {
          "defaultStatus": "unaffected",
          "product": "GX LogViewer",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
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              "version": "1.115U and prior"
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          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "GX RemoteService-I",
          "vendor": "Mitsubishi Electric Corporation",
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          "defaultStatus": "unaffected",
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          "vendor": "Mitsubishi Electric Corporation",
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        {
          "defaultStatus": "unaffected",
          "product": "iQ Monozukuri ANDON (Data Transfer)",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
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              "status": "affected",
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          "defaultStatus": "unaffected",
          "product": "iQ Monozukuri Process Remote Monitoring (Data Transfer)",
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          "defaultStatus": "unaffected",
          "product": "M_CommDTM-HART",
          "vendor": "Mitsubishi Electric Corporation",
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          "defaultStatus": "unaffected",
          "product": "M_CommDTM-IO-Link",
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          "product": "MELSOFT EM Software Development Kit (EM Configurator)",
          "vendor": "Mitsubishi Electric Corporation",
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          "product": "MH11 SettingTool Version2",
          "vendor": "Mitsubishi Electric Corporation",
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          "defaultStatus": "unaffected",
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          "vendor": "Mitsubishi Electric Corporation",
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          "product": "MT Works2",
          "vendor": "Mitsubishi Electric Corporation",
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          "defaultStatus": "unaffected",
          "product": "MX Component",
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          "defaultStatus": "unaffected",
          "product": "Network Interface Board CC IE Control utility",
          "vendor": "Mitsubishi Electric Corporation",
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            {
              "status": "affected",
              "version": "1.29F and prior"
            }
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        },
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          "defaultStatus": "unaffected",
          "product": "Network Interface Board CC IE Field Utility",
          "vendor": "Mitsubishi Electric Corporation",
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            {
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              "version": "1.16S and prior"
            }
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        },
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          "defaultStatus": "unaffected",
          "product": "Network Interface Board CC-Link Ver.2 Utility",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "1.23Z and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Network Interface Board MNETH utility",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
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          "defaultStatus": "unaffected",
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          "vendor": "Mitsubishi Electric Corporation",
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            {
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        },
        {
          "defaultStatus": "unaffected",
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            }
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        },
        {
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          "product": "RT ToolBox3",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "1.82L and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Setting/monitoring tools for the C Controller module (SW4PVC-CCPU)",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "4.12N and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "SLMP Data Collector",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "1.04E and prior"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "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."
            }
          ],
          "value": "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."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "Denial-of-Service"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2025-06-12T23:11:17.182Z",
        "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
        "shortName": "Mitsubishi"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2020-021_en.pdf"
        },
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://jvn.jp/vu/JVNVU92330101"
        },
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-049-02"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
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      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
    "assignerShortName": "Mitsubishi",
    "cveId": "CVE-2021-20587",
    "datePublished": "2021-02-19T19:55:37",
    "dateReserved": "2020-12-17T00:00:00",
    "dateUpdated": "2025-06-12T23:11:17.182Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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\"matchCriteriaId\": \"8814A8BA-AA54-4270-AAB1-679D0881D715\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"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) all versions, iQ Monozukuri Process Remote Monitoring (Data Transfer) all versions, 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 of the software products, and possibly to execute a malicious program 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.\"}, {\"lang\": \"es\", \"value\": \"Vulnerabilidad de desbordamiento de b\\u00fafer basada en Heap en el software de ingenier\\u00eda de Mitsubishi Electric FA (CPU Module Logging Configuration Tool versiones 1.112R y anteriores, CW Configurator versiones 1.011M y anteriores, Data Transfer versiones 3.44W y anteriores, EZSocket versiones 5.4 y anteriores, FR Configurator todas las versiones, FR Configurator SW3 todas las versiones, FR Configurator2 versiones 1.24A y anteriores, GT Designer3 Version1(GOT1000) versiones 1. 250L y anteriores, GT Designer3 Version1(GOT2000) versiones 1.250L y anteriores, GT SoftGOT1000 Version3 versiones 3.245F y anteriores, GT SoftGOT2000 Version1 versiones 1.250L y anteriores, GX Configurator-DP versiones 7. 14Q y anteriores, GX Configurator-QP todas las versiones, GX Developer versiones 8.506C y anteriores, GX Explorer todas las versiones, GX IEC Developer todas las versiones, GX LogViewer versiones 1.115U y anteriores, GX RemoteService-I todas las versiones, GX Works2 versiones 1. 597X y anteriores, GX Works3 versiones 1.070Y y anteriores, iQ Monozukuri ANDON (Data Transfer) todas las versiones, iQ Monozukuri Process Remote Monitoring (Data Transfer) todas las versiones, M_CommDTM-HART todas las versiones, M_CommDTM-IO-Link versiones 1.03D y anteriores, MELFA-Works versiones 4.4 y anteriores, MELSEC WinCPU Setting Utility todas las versiones, MELSOFT EM Software Development Kit (EM Configurator) versiones 1. 015R y anteriores, MELSOFT Navigator versiones 2.74C y anteriores, MH11 SettingTool Version2 versiones 2.004E y anteriores, MI Configurator versiones 1.004E y anteriores, MT Works2 versiones 1.167Z y anteriores, MX Component versiones 5.001B y anteriores, Network Interface Board CC IE Control utility versiones 1.29F y anteriores, Network Interface Board CC IE Field Utility versiones 1.16S y anteriores, Network Interface Board CC-Link Ver.2 1.23Z y anteriores, Network Interface Board MNETH utility versions 34L y anteriores, PX Developer versions 1.53F y anteriores, RT ToolBox2 versions 3.73B y anteriores, RT ToolBox3 versions 1.82L y anteriores, Setting/monitoring tools for the C Controller module (SW4PVC-CCPU) versions 4.12N y anteriores y SLMP Data Collector versions 1. 04E y anteriores) permite que un atacante remoto no autenticado provoque una condici\\u00f3n de denegaci\\u00f3n de servicio de los productos de software, y posiblemente ejecute un programa malicioso en el ordenador personal que ejecuta los productos de software, aunque no se ha reproducido, mediante la suplantaci\\u00f3n de MELSEC, GOT o FREQROL y el retorno de paquetes de respuesta manipulados\"}]",
      "id": "CVE-2021-20587",
      "lastModified": "2024-11-21T05:46:49.637",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-02-19T20:15:12.833",
      "references": "[{\"url\": \"https://jvn.jp/vu/JVNVU92330101/index.html\", \"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-049-02\", \"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-021_en.pdf\", \"source\": \"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://jvn.jp/vu/JVNVU92330101/index.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-049-02\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-021_en.pdf\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-20587\",\"sourceIdentifier\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"published\":\"2021-02-19T20:15:12.833\",\"lastModified\":\"2025-06-13T00:15:20.230\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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 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anteriores, FR Configurator todas las versiones, FR Configurator SW3 todas las versiones, FR Configurator2 versiones 1.24A y anteriores, GT Designer3 Version1(GOT1000) versiones 1. 250L y anteriores, GT Designer3 Version1(GOT2000) versiones 1.250L y anteriores, GT SoftGOT1000 Version3 versiones 3.245F y anteriores, GT SoftGOT2000 Version1 versiones 1.250L y anteriores, GX Configurator-DP versiones 7. 14Q y anteriores, GX Configurator-QP todas las versiones, GX Developer versiones 8.506C y anteriores, GX Explorer todas las versiones, GX IEC Developer todas las versiones, GX LogViewer versiones 1.115U y anteriores, GX RemoteService-I todas las versiones, GX Works2 versiones 1. 597X y anteriores, GX Works3 versiones 1.070Y y anteriores, iQ Monozukuri ANDON (Data Transfer) todas las versiones, iQ Monozukuri Process Remote Monitoring (Data Transfer) todas las versiones, M_CommDTM-HART todas las versiones, M_CommDTM-IO-Link versiones 1.03D y anteriores, MELFA-Works versiones 4.4 y anteriores, MELSEC WinCPU Setting Utility todas las versiones, MELSOFT EM Software Development Kit (EM Configurator) versiones 1. 015R y anteriores, MELSOFT Navigator versiones 2.74C y anteriores, MH11 SettingTool Version2 versiones 2.004E y anteriores, MI Configurator versiones 1.004E y anteriores, MT Works2 versiones 1.167Z y anteriores, MX Component versiones 5.001B y anteriores, Network Interface Board CC IE Control utility versiones 1.29F y anteriores, Network Interface Board CC IE Field Utility versiones 1.16S y anteriores, Network Interface Board CC-Link Ver.2 1.23Z y anteriores, Network Interface Board MNETH utility versions 34L y anteriores, PX Developer versions 1.53F y anteriores, RT ToolBox2 versions 3.73B y anteriores, RT ToolBox3 versions 1.82L y anteriores, Setting/monitoring tools for the C Controller module (SW4PVC-CCPU) versions 4.12N y anteriores y SLMP Data Collector versions 1. 04E y anteriores) permite que un atacante remoto no autenticado provoque una condici\u00f3n de denegaci\u00f3n de servicio de los productos de software, y posiblemente ejecute un programa malicioso en el ordenador personal que ejecuta los productos de software, aunque no se ha reproducido, mediante la suplantaci\u00f3n de MELSEC, GOT o FREQROL y el retorno de paquetes de respuesta manipulados\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-122\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:c_controller_module_setting_and_monitoring_tool:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DB4A4DA-DBC0-42A8-B933-933DE45F004D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:cpu_module_logging_configuration_tool:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.112r\",\"matchCriteriaId\":\"D83BA6D0-2A25-4DDA-B7BA-DE11FA55D276\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:cw_configurator:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.011m\",\"matchCriteriaId\":\"91D2BDFB-0A0A-4A1B-8671-8B5D652253DE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:data_transfer:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"3.44w\",\"matchCriteriaId\":\"6AF9A2A7-6F9E-4CA9-8485-3AF83A6411DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:ezsocket:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C6E4BC24-6583-4791-9ED9-D2D675187DCD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:fr_configurator:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1773F87D-7E58-4E00-90B7-92BDDB4AA3BF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:fr_configurator_sw3:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D236ABC2-93E4-4428-B949-7E17945E4D98\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:fr_configurator2:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.24a\",\"matchCriteriaId\":\"18E81D47-F88A-481B-98E0-56C52CDF6C8B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gt_designer3:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.250l\",\"matchCriteriaId\":\"66DEB37E-A837-4A2F-9660-7DE8441004D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gt_softgot1000:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"3.245f\",\"matchCriteriaId\":\"B835ECE8-6923-47DF-9BB8-E0AA8D77228D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gt_softgot2000:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.250l\",\"matchCriteriaId\":\"92C96AF0-1DCE-4769-AAC4-422F8B411A2A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gx_configurator-dp:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"7.14q\",\"matchCriteriaId\":\"E767C69A-23D9-4C67-AA66-392D5E70ED7B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gx_configurator-qp:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"492299CE-FE94-4CB4-9D62-03F05CBCDE74\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gx_developer:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"8.506c\",\"matchCriteriaId\":\"C4588898-2ABA-4AA3-A33F-551387DC84AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gx_explorer:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"18A18533-FF83-4C7C-839D-077A7523DBDC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielectric:gx_iec_developer:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"974700B4-FC0B-4097-8826-CE055E13434F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:mitsubishielect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":\"https://jvn.jp/vu/JVNVU92330101/index.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-049-02\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-021_en.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.