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CVE-2020-1509

Estado: ModificadaAlta (8.8)—

Se presenta una vulnerabilidad de elevación de privilegios en el Local Security Authority Subsystem Service (LSASS) cuando un atacante autenticado envía una petición de autenticación especialmente diseñada, también se conoce como "Local Security Authority Subsystem Service Elevation of Privilege Vulnerability".

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 (8)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-1509",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
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          "availabilityImpact": "PARTIAL",
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
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  "published": "2020-08-17T19:15:17.007",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1509",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
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      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1509",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "description": [
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      "value": "An elevation of privilege vulnerability exists in the Local Security Authority Subsystem Service (LSASS) when an authenticated attacker sends a specially crafted authentication request. A remote attacker who successfully exploited this vulnerability could cause an elevation of privilege on the target system's LSASS service.\nThe security update addresses the vulnerability by changing the way that LSASS handles specially crafted authentication requests."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de elevación de privilegios en el Local Security Authority Subsystem Service (LSASS) cuando un atacante autenticado envía una petición de autenticación especialmente diseñada, también se conoce como \"Local Security Authority Subsystem Service Elevation of Privilege Vulnerability\"."
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  "lastModified": "2026-06-17T03:01:35.773",
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}