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CVE-2024-39329

Estado: ModificadaMedia (5.3)—

An issue was discovered in Django 5.0 before 5.0.7 and 4.2 before 4.2.14. The django.contrib.auth.backends.ModelBackend.authenticate() method allows remote attackers to enumerate users via a timing attack involving login requests for users with an unusable password.

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)

Djangoproject — Django

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-39329",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-39329",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-07-10T16:17:00.476005Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
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              "version": "5.0",
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  "published": "2024-07-10T05:15:12.097",
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      "url": "https://docs.djangoproject.com/en/dev/releases/security/",
      "tags": [
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    {
      "url": "https://groups.google.com/forum/#%21forum/django-announce",
      "tags": [
        "Permissions Required"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.djangoproject.com/weblog/2024/jul/09/security-releases/",
      "tags": [
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    {
      "url": "https://security.netapp.com/advisory/ntap-20240808-0005/",
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    },
    {
      "url": "https://www.djangoproject.com/weblog/2024/jul/09/security-releases/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-208"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Django 5.0 before 5.0.7 and 4.2 before 4.2.14. The django.contrib.auth.backends.ModelBackend.authenticate() method allows remote attackers to enumerate users via a timing attack involving login requests for users with an unusable password."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en Django 5.0 anterior a 5.0.7 y 4.2 anterior a 4.2.14. El método django.contrib.auth.backends.ModelBackend.authenticate() permite a atacantes remotos enumerar usuarios mediante un ataque de sincronización que involucra solicitudes de inicio de sesión para usuarios con una contraseña inutilizable."
    }
  ],
  "lastModified": "2026-06-17T07:41:43.653",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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              "versionEndExcluding": "4.2.14",
              "versionStartIncluding": "4.2"
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}