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CVE-2019-3466

Estado: ModificadaAlta (7.8)—

The pg_ctlcluster script in postgresql-common in versions prior to 210 didn't drop privileges when creating socket/statistics temporary directories, which could result in local privilege escalation.

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-3466",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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          "privilegesRequired": "LOW",
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        "impactScore": 5.9,
        "exploitabilityScore": 1.8
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  "affected": [
    {
      "source": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "postgresql-common (Debian-specific Postgres management tools)",
          "versions": [
            {
              "status": "affected",
              "version": "Versions before 210"
            }
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  "published": "2019-11-20T18:15:10.977",
  "references": [
    {
      "url": "https://blog.mirch.io/2019/11/15/cve-2019-3466-debian-ubuntu-pg_ctlcluster-privilege-escalation/",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
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      "source": "security@debian.org"
    },
    {
      "url": "https://usn.ubuntu.com/4194-2/",
      "source": "security@debian.org"
    },
    {
      "url": "https://blog.mirch.io/2019/11/15/cve-2019-3466-debian-ubuntu-pg_ctlcluster-privilege-escalation/",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The pg_ctlcluster script in postgresql-common in versions prior to 210 didn't drop privileges when creating socket/statistics temporary directories, which could result in local privilege escalation."
    },
    {
      "lang": "es",
      "value": "El script pg_ctlcluster en postgresql-common en versiones anteriores a 210, no eliminó los privilegios cuando se crean directorios temporales socket/statistics, lo que podría resultar en una escalada de privilegios local."
    }
  ],
  "lastModified": "2026-06-17T02:35:10.283",
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}