{
  "id": "CVE-2023-46695",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-11-02T06:15:08.000",
  "lastModified": "2023-12-14T10:15:08.170",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Django 3.2 anterior a 3.2.23, 4.1 anterior a 4.1.13 y 4.2 anterior a 4.2.7. La normalizaci\u00f3n de NFKC es lenta en Windows. Como consecuencia, django.contrib.auth.forms.UsernameField est\u00e1 sujeto a un potencial ataque DoS (denegaci\u00f3n de servicio) a trav\u00e9s de ciertas entradas con una gran cantidad de caracteres Unicode."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.2",
              "versionEndExcluding": "3.2.23",
              "matchCriteriaId": "9909EFAF-C1C8-49FA-860F-C2430EC5304D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.1",
              "versionEndExcluding": "4.1.13",
              "matchCriteriaId": "0ED58B2B-B564-4EE4-AE69-1E206AE34B65"
            },
            {
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              "versionStartIncluding": "4.2.",
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  ],
  "references": [
    {
      "url": "https://docs.djangoproject.com/en/4.2/releases/security/",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://groups.google.com/forum/#%21forum/django-announce",
      "source": "cve@mitre.org",
      "tags": [
        "Permissions Required"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20231214-0001/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.djangoproject.com/weblog/2023/nov/01/security-releases/",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}