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CVE-2020-15731

Estado: ModificadaBaja (3.6)—

An improper Input Validation vulnerability in the code handling file renaming and recovery in Bitdefender Engines allows an attacker to write an arbitrary file in a location hardcoded in a specially-crafted malicious file name. This issue affects: Bitdefender Engines versions prior to 7.85448.

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)

Bitdefender — Engines

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-15731",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
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    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve-requests@bitdefender.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 3.2,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.5
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
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          "confidentialityImpact": "NONE"
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        "impactScore": 1.4,
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "Bitdefender",
          "product": "Bitdefender Engines",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "7.85448",
              "versionType": "custom"
            }
          ]
        }
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    }
  ],
  "published": "2020-09-30T12:15:13.030",
  "references": [
    {
      "url": "https://www.bitdefender.com/support/security-advisories/local-privilege-escalation-in-bitdefender-engines-va-8953",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-requests@bitdefender.com"
    },
    {
      "url": "https://www.bitdefender.com/support/security-advisories/local-privilege-escalation-in-bitdefender-engines-va-8953",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-requests@bitdefender.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper Input Validation vulnerability in the code handling file renaming and recovery in Bitdefender Engines allows an attacker to write an arbitrary file in a location hardcoded in a specially-crafted malicious file name. This issue affects: Bitdefender Engines versions prior to 7.85448."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de comprobación de entrada inapropiada en el código que maneja el cambio de nombre y la recuperación de archivos en Bitdefender Engines, permite a un atacante escribir un archivo arbitrario en una ubicación embebida en un nombre de archivo malicioso especialmente diseñado. Este problema afecta a: Bitdefender Engines versiones anteriores a 7.85448"
    }
  ],
  "lastModified": "2026-06-17T02:57:07.837",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndExcluding": "7.85448"
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  ],
  "sourceIdentifier": "cve-requests@bitdefender.com"
}