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CVE-2022-39059

Estado: ModificadaAlta (7.5)—

ChangingTech MegaServiSignAdapter component has a path traversal vulnerability within its file reading function. An unauthenticated remote attacker can exploit this vulnerability to access arbitrary system files.

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)

Changingtec — Megaservisignadapter

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-39059",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2022-39059",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-03-27T18:23:09.170341Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
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        "source": "nvd@nist.gov",
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
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  },
  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "ChangingTec",
          "product": "MegaServiSignAdapter",
          "versions": [
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  "published": "2023-01-31T08:15:07.783",
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      "url": "https://www.twcert.org.tw/tw/cp-132-6886-2c546-1.html",
      "tags": [
        "Third Party Advisory"
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      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-6886-2c546-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "twcert@cert.org.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
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    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
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  "descriptions": [
    {
      "lang": "en",
      "value": "ChangingTech MegaServiSignAdapter component has a path traversal vulnerability within its file reading function. An unauthenticated remote attacker can exploit this vulnerability to access arbitrary system files."
    },
    {
      "lang": "es",
      "value": "El componente ChangingTech MegaServiSignAdapter tiene una vulnerabilidad de path traversal dentro de su función de lectura de archivos. Un atacante remoto no autenticado puede aprovechar esta vulnerabilidad para acceder a archivos arbitrarios del sistema."
    }
  ],
  "lastModified": "2026-06-17T04:57:31.210",
  "configurations": [
    {
      "nodes": [
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              "versionEndExcluding": "1.0.22.1004"
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  "sourceIdentifier": "twcert@cert.org.tw"
}