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CVE-2019-19844 (GCVE-0-2019-19844)

Vulnerability from cvelistv5 – Published: 2019-12-18 18:07 – Updated: 2024-08-05 02:25
VLAI
Summary
Django before 1.11.27, 2.x before 2.2.9, and 3.x before 3.0.1 allows account takeover. A suitably crafted email address (that is equal to an existing user's email address after case transformation of Unicode characters) would allow an attacker to be sent a password reset token for the matched user account. (One mitigation in the new releases is to send password reset tokens only to the registered user email address.)
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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            "value": "Django before 1.11.27, 2.x before 2.2.9, and 3.x before 3.0.1 allows account takeover. A suitably crafted email address (that is equal to an existing user\u0027s email address after case transformation of Unicode characters) would allow an attacker to be sent a password reset token for the matched user account. (One mitigation in the new releases is to send password reset tokens only to the registered user email address.)"
          },
          {
            "lang": "es",
            "value": "Django versiones anteriores a 1.11.27, versiones 2.x anteriores a 2.2.9 y versiones 3.x anteriores a 3.0.1, permite tomar el control de la cuenta. Una direcci\u00f3n de correo electr\u00f3nico dise\u00f1ada adecuadamente (que es igual a la direcci\u00f3n de correo electr\u00f3nico de un usuario existente despu\u00e9s de la transformaci\u00f3n de may\u00fasculas y min\u00fasculas de los caracteres Unicode) permitir\u00eda a un atacante enviarle un token de restablecimiento de contrase\u00f1a para la cuenta de usuario coincidente. (Una mitigaci\u00f3n en las nuevas versiones es enviar tokens de restablecimiento de contrase\u00f1a solo a la direcci\u00f3n de correo electr\u00f3nico del usuario registrado)."
          }
        ],
        "id": "CVE-2019-19844",
        "lastModified": "2024-11-21T04:35:30.833",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-12-18T19:15:11.780",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://packetstormsecurity.com/files/155872/Django-Account-Hijack.html"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://docs.djangoproject.com/en/dev/releases/security/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://groups.google.com/forum/#%21topic/django-announce/3oaB2rVH3a0"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCM2DPUI7TOZWN4A6JFQFUVQ2XGE7GUD/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://seclists.org/bugtraq/2020/Jan/9"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://security.gentoo.org/glsa/202004-17"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://security.netapp.com/advisory/ntap-20200110-0003/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/4224-1/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://www.debian.org/security/2020/dsa-4598"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.djangoproject.com/weblog/2019/dec/18/security-releases/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://packetstormsecurity.com/files/155872/Django-Account-Hijack.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://docs.djangoproject.com/en/dev/releases/security/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://groups.google.com/forum/#%21topic/django-announce/3oaB2rVH3a0"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCM2DPUI7TOZWN4A6JFQFUVQ2XGE7GUD/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://seclists.org/bugtraq/2020/Jan/9"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.gentoo.org/glsa/202004-17"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://security.netapp.com/advisory/ntap-20200110-0003/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://usn.ubuntu.com/4224-1/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.debian.org/security/2020/dsa-4598"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.djangoproject.com/weblog/2019/dec/18/security-releases/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-640"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Critical",
      "current_release_date": "2025-11-21T16:02:42+00:00",
      "cve": "CVE-2019-19844",
      "id": "CVE-2019-19844",
      "initial_release_date": "2019-12-18T00:00:00+00:00",
      "product_status:known_affected": "35",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Django: crafted email address allows account takeover",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-19844.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-27T01:06:53Z",
      "cve": "CVE-2019-19844",
      "id": "CVE-2019-19844",
      "initial_release_date": "2023-02-15T04:05:48Z",
      "product_status:known_affected": "1",
      "product_status:recommended": "560",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-19844",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-19844.json",
      "version": "15"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.