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CVE-2021-20100

Estado: ModificadaMedia (6.7)—

Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than CVE-2021-20099.

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)

Tenable — Nessus

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-20100",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 0.8
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  "affected": [
    {
      "source": "vulnreport@tenable.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Nessus Agent",
          "versions": [
            {
              "status": "affected",
              "version": "Nessus Agent 8.2.4 and earlier"
            }
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        }
      ]
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  ],
  "published": "2021-06-28T11:15:07.917",
  "references": [
    {
      "url": "https://www.tenable.com/security/tns-2021-12",
      "tags": [
        "Vendor Advisory"
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    },
    {
      "url": "https://www.tenable.com/security/tns-2021-12",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "NVD-CWE-noinfo"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than CVE-2021-20099."
    },
    {
      "lang": "es",
      "value": "Se ha detectado que Nessus Agent versiones 8.2.4 y anteriores para Windows contienen múltiples vulnerabilidades de escalada de privilegios local que podrían permitir a un administrador local autenticado ejecutar determinados ejecutables de Windows como el host de Nessus. Esto es diferente de CVE-2021-20099"
    }
  ],
  "lastModified": "2026-06-17T03:33:16.280",
  "configurations": [
    {
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  "sourceIdentifier": "vulnreport@tenable.com"
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