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CVE-2021-3579

Estado: ModificadaAlta (7.8)—

Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in Bitdefender Endpoint Security Tools for Windows, Total Security allows a local attacker to elevate privileges to NT AUTHORITY\SYSTEM This issue affects: Bitdefender Endpoint Security Tools for Windows versions prior to 7.2.1.65. Bitdefender Total Security versions prior to 7.2.1.65.

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 (2)

Bitdefender — Endpoint Security ToolsBitdefender — Total Security

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-3579",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    "cvssMetricV31": [
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
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  "published": "2021-10-28T14:15:08.673",
  "references": [
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      "url": "https://www.bitdefender.com/support/security-advisories/incorrect-default-permissions-vulnerability-in-bdservicehost-exe-and-vulnerability-scan-exe-va-9848/",
      "tags": [
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      "source": "cve-requests@bitdefender.com"
    },
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      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1277/",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-requests@bitdefender.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
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    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-276"
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      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incorrect Default Permissions vulnerability in the bdservicehost.exe and Vulnerability.Scan.exe components as used in Bitdefender Endpoint Security Tools for Windows, Total Security allows a local attacker to elevate privileges to NT AUTHORITY\\SYSTEM This issue affects: Bitdefender Endpoint Security Tools for Windows versions prior to 7.2.1.65. Bitdefender Total Security versions prior to 7.2.1.65."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Permisos Predeterminados Incorrectos en los componentes bdservicehost.exe y Vulnerability.Scan.exe usados en Bitdefender Endpoint Security Tools for Windows, Total Security permite a un atacante local elevar los privilegios a NT AUTHORITY\\SYSTEM Este problema afecta a: Bitdefender Endpoint Security Tools for Windows versiones anteriores a 7.2.1.65. Bitdefender Total Security versiones anteriores a 7.2.1.65"
    }
  ],
  "lastModified": "2026-06-17T04:05:22.743",
  "configurations": [
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              "versionEndExcluding": "7.2.1.65"
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  "sourceIdentifier": "cve-requests@bitdefender.com"
}