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CVE-2019-3825

Estado: ModificadaMedia (6.4)—

A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.

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 (3)

Canonical — Ubuntu LinuxGnome — Gnome Display ManagerRedhat — Enterprise Linux

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2019-3825",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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          "vectorString": "CVSS:3.0/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
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              "version": "3.31.4"
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  "published": "2019-02-06T20:29:00.447",
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        "Issue Tracking",
        "Mitigation",
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      "url": "https://usn.ubuntu.com/3892-1/",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "CWE-287"
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      "description": [
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una vulnerabilidad en gdm en versiones anteriores a la 3.31.4. Cuando el inicio de sesión temporal está habilitado en la configuración, un atacante podría omitir la pantalla de bloqueo, seleccionando el usuario de inicio de sesión temporal y esperando a que se agote el tiempo. En ese momento, obtendría acceso a la sesión del usuario que ha iniciado sesión."
    }
  ],
  "lastModified": "2026-06-17T02:35:40.097",
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