FKIE_CVE-2020-37029

Vulnerability from fkie_nvd - Published: 2026-01-30 23:16 - Updated: 2026-06-17 03:16
Severity
8.4 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
FTPDummy 4.80 contains a local buffer overflow vulnerability in its preference file handling that allows attackers to execute arbitrary code. Attackers can craft a malicious preference file with carefully constructed shellcode to trigger a structured exception handler overwrite and execute system commands.
References
disclosure@vulncheck.comhttp://www.dummysoftware.com/ftpdummy.html
disclosure@vulncheck.comhttps://www.exploit-db.com/exploits/48685
disclosure@vulncheck.comhttps://www.vulncheck.com/advisories/ftpdummy-local-buffer-overflow
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "FTPDummy",
          "vendor": "K.soft",
          "versions": [
            {
              "status": "affected",
              "version": "4.80"
            }
          ]
        }
      ],
      "source": "disclosure@vulncheck.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "FTPDummy 4.80 contains a local buffer overflow vulnerability in its preference file handling that allows attackers to execute arbitrary code. Attackers can craft a malicious preference file with carefully constructed shellcode to trigger a structured exception handler overwrite and execute system commands."
    },
    {
      "lang": "es",
      "value": "FTPDummy 4.80 contiene una vulnerabilidad de desbordamiento de b\u00fafer local en el manejo de su archivo de preferencias que permite a los atacantes ejecutar c\u00f3digo arbitrario. Los atacantes pueden crear un archivo de preferencias malicioso con shellcode cuidadosamente construido para desencadenar una sobrescritura del manejador de excepciones estructuradas y ejecutar comandos del sistema."
    }
  ],
  "id": "CVE-2020-37029",
  "lastModified": "2026-06-17T03:16:47.843",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "ACTIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-37029",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-03T20:39:02.878004Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-01-30T23:16:08.020",
  "references": [
    {
      "source": "disclosure@vulncheck.com",
      "url": "http://www.dummysoftware.com/ftpdummy.html"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.exploit-db.com/exploits/48685"
    },
    {
      "source": "disclosure@vulncheck.com",
      "url": "https://www.vulncheck.com/advisories/ftpdummy-local-buffer-overflow"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "disclosure@vulncheck.com",
      "type": "Secondary"
    }
  ]
}



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