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CVE-2021-43554

Estado: ModificadaAlta (7.8)—

FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Fatek — Winproladder

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-43554",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
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        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "ics-cert@hq.dhs.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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          "confidentialityImpact": "HIGH"
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  },
  "affected": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "FATEK Automation",
          "product": "WinProladder",
          "versions": [
            {
              "status": "affected",
              "version": "All",
              "versionType": "custom",
              "lessThanOrEqual": "3.30_24518"
            }
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        }
      ]
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  ],
  "published": "2021-12-28T19:15:08.107",
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-320-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
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      "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-028/",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "ics-cert@hq.dhs.gov"
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      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "ics-cert@hq.dhs.gov"
    },
    {
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      "tags": [
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        "US Government Resource"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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    },
    {
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      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "FATEK WinProladder Versions 3.30_24518 and prior are vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "FATEK WinProladder versiones 3.30_24518 y anteriores, son vulnerables a una escritura fuera de límites mientras son procesados archivos de proyecto, lo que puede permitir a un atacante ejecutar código arbitrario"
    }
  ],
  "lastModified": "2026-06-17T04:11:07.570",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fatek:winproladder:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6EB12EE7-3A71-4834-A304-1A149ADC26F4",
              "versionEndIncluding": "3.30_24518"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov"
}