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CVE-2022-43436

Estado: ModificadaAlta (8.8)—

The File Upload function of EasyTest has insufficient filtering for special characters and file type. A remote attacker authenticated as a general user can upload and execute arbitrary files, to manipulate system or disrupt service.

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)

Easy Test Project — Easy Test

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-43436",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-43436",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-10T16:47:29.257449Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "HWA JIUH DIGITAL TECHNOLOGY LTD.",
          "product": "EasyTest",
          "versions": [
            {
              "status": "affected",
              "version": "22H29"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-01-03T03:15:10.107",
  "references": [
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-6828-1e5e4-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-6828-1e5e4-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "twcert@cert.org.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The File Upload function of EasyTest has insufficient filtering for special characters and file type. A remote attacker authenticated as a general user can upload and execute arbitrary files, to manipulate system or disrupt service."
    },
    {
      "lang": "es",
      "value": "La función de carga de archivos de EasyTest tiene un filtrado insuficiente para caracteres especiales y tipos de archivos. Un atacante remoto autenticado como usuario general puede cargar y ejecutar archivos arbitrarios para manipular el sistema o interrumpir el servicio."
    }
  ],
  "lastModified": "2026-06-17T05:06:32.337",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:easy_test_project:easy_test:22h29:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E1D264E0-918E-45D3-A08A-E90D7E416B4F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}