CVE-2021-33571

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{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD5CCAE9-4A03-4C54-9278-BBA06A1C9ECF", "versionEndExcluding": "2.2.24", "versionStartIncluding": "2.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "0895A526-5861-47FC-91AC-8F78387E464A", "versionEndExcluding": "3.1.12", "versionStartIncluding": "3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "FACCFD9B-3783-4065-8F52-686D20149AAF", "versionEndExcluding": "3.2.4", "versionStartIncluding": "3.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) ."}, {"lang": "es", "value": "En Django versiones 2.2 anteriores a 2.2.24, versiones 3.x anteriores a 3.1.12 y versiones 3.2 anteriores a 3.2.4, las funciones URLValidator, validate_ipv4_address y validate_ipv46_address no proh\u00edben los caracteres cero a la izquierda en los literales octales. Esto puede permitir una omisi\u00f3n del control de acceso basado en las direcciones IP. (validate_ipv4_address y validate_ipv46_address no se ven afectados con Python versi\u00f3n 3.9.5+)"}], "id": "CVE-2021-33571", "lastModified": "2026-06-17T03:54:48.600", "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": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-08T18:15:08.517", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://docs.djangoproject.com/en/3.2/releases/security/"}, {"source": "cve@mitre.org", "url": "https://github.com/django/django/commit/203d4ab9ebcd72fc4d6eb7398e66ed9e474e118e"}, {"source": "cve@mitre.org", "url": "https://github.com/django/django/commit/9f75e2e562fa0c0482f3dde6fc7399a9070b4a3d"}, {"source": "cve@mitre.org", "url": "https://github.com/django/django/commit/f27c38ab5d90f68c9dd60cabef248a570c0be8fc"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://groups.google.com/g/django-announce/c/sPyjSKMi8Eo"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210727-0004/"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.djangoproject.com/weblog/2021/jun/02/security-releases/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://docs.djangoproject.com/en/3.2/releases/security/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/django/django/commit/203d4ab9ebcd72fc4d6eb7398e66ed9e474e118e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/django/django/commit/9f75e2e562fa0c0482f3dde6fc7399a9070b4a3d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/django/django/commit/f27c38ab5d90f68c9dd60cabef248a570c0be8fc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://groups.google.com/g/django-announce/c/sPyjSKMi8Eo"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B4SQG2EAF4WCI2SLRL6XRDJ3RPK3ZRDV/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210727-0004/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.djangoproject.com/weblog/2021/jun/02/security-releases/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2021:5070", "cpe": "cpe:/a:redhat:openstack:16.1::el8", "package": "python-django20-0:2.0.13-16.el8ost.1", "product_name": "Red Hat OpenStack Platform 16.1", "release_date": "2021-12-09T00:00:00Z"}, {"advisory": "RHSA-2021:3490", "cpe": "cpe:/a:redhat:openstack:16.2::el8", "package": "python-django20-0:2.0.13-16.el8ost.1", "product_name": "Red Hat OpenStack Platform 16.2", "release_date": "2021-09-15T00:00:00Z"}, {"advisory": "RHSA-2021:4702", "cpe": "cpe:/a:redhat:satellite:6.10::el7", "package": "python3-django-0:2.2.24-1.el7pc", "product_name": "Red Hat Satellite 6.10 for RHEL 7", "release_date": "2021-11-16T00:00:00Z"}, {"advisory": "RHSA-2021:4702", "cpe": "cpe:/a:redhat:satellite_capsule:6.10::el7", "package": "python3-django-0:2.2.24-1.el7pc", "product_name": "Red Hat Satellite 6.10 for RHEL 7", "release_date": "2021-11-16T00:00:00Z"}], "bugzilla": {"description": "django: Possible indeterminate SSRF, RFI, and LFI attacks since validators accepted leading zeros in IPv4 addresses", "id": "1966253", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1966253"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "verified"}, "cwe": "CWE-918", "details": ["In Django 2.2 before 2.2.24, 3.x before 3.1.12, and 3.2 before 3.2.4, URLValidator, validate_ipv4_address, and validate_ipv46_address do not prohibit leading zero characters in octal literals. This may allow a bypass of access control that is based on IP addresses. (validate_ipv4_address and validate_ipv46_address are unaffected with Python 3.9.5+..) .", "A flaw was found in django. Leading zeros in octal literals aren't prohibited in IP addresses. If you used such values you could suffer from indeterminate SSRF, RFI, and LFI attacks. The highest threat from this vulnerability is to data integrity."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2021-33571", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform", "fix_state": "Affected", "package_name": "django", "product_name": "Red Hat Ansible Automation Platform 1.2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform", "fix_state": "Affected", "package_name": "python-django", "product_name": "Red Hat Ansible Automation Platform 1.2"}, {"cpe": "cpe:/a:redhat:ansible_tower:3", "fix_state": "Out of support scope", "package_name": "django", "product_name": "Red Hat Ansible Tower 3"}, {"cpe": "cpe:/a:redhat:ceph_storage:2", "fix_state": "Out of support scope", "package_name": "calamari-server", "product_name": "Red Hat Ceph Storage 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:2", "fix_state": "Out of support scope", "package_name": "python-django", "product_name": "Red Hat Ceph Storage 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:3", "fix_state": "Out of support scope", "package_name": "python-django", "product_name": "Red Hat Ceph Storage 3"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Out of support scope", "package_name": "python-django", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Will not fix", "package_name": "python-django", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Will not fix", "package_name": "python-django", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Affected", "package_name": "python-django", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/a:redhat:rhui:3", "fix_state": "Will not fix", "impact": "low", "package_name": "python-django", "product_name": "Red Hat Update Infrastructure 3 for Cloud Providers"}], "public_date": "2021-06-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-33571\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-33571\nhttps://www.djangoproject.com/weblog/2021/jun/02/security-releases/"], "statement": "Red Hat Update Infrastructure is in maintenance phase and we will not be fixing Medium/Low impact security bugs. Reference: https://access.redhat.com/support/policy/updates/rhui\nIn Red Hat OpenStack Platform 13, because the flaw has a lower impact and the fix would require a substantial amount of development, no update will be provided at this time for the RHOSP python-django package.", "threat_severity": "Moderate"}

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