Show plain JSON{"id": "CVE-2011-1521", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2011-05-24T23:55:02.840", "references": [{"url": "http://bugs.python.org/issue11662", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "http://hg.python.org/cpython/file/96a6c128822b/Misc/NEWS", "source": "cve@mitre.org"}, {"url": "http://hg.python.org/cpython/file/b2934d98dac1/Misc/NEWS", "source": "cve@mitre.org"}, {"url": 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"http://support.apple.com/kb/HT5002", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:096", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-1592-1", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-1596-1", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-1613-1", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-1613-2", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=690560", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=737366", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.djangoproject.com/weblog/2011/sep/09/", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.djangoproject.com/weblog/2011/sep/10/127/", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs."}, {"lang": "es", "value": "Los m\u00f3dulos urllib y urllib2 en Python v2.x anteriores a v2.7.2 y v3.x anteriores a v3.2.1 procesan los encabezados de ubicaci\u00f3n que especificar la redirecci\u00f3n del fichero: URLs, lo que hace que sea m\u00e1s f\u00e1cil para los atacantes remotos obtener informaci\u00f3n sensible o provocar una denegaci\u00f3n de servicio (consumo de recursos) a trav\u00e9s de una URL manipulada, como lo demuestra lso ficheros URLs: //etc/passwd y //dev/zero."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:python:python:2.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD5A27DB-0113-4DE3-9CA0-0792CC7795AB"}, {"criteria": "cpe:2.3:a:python:python:2.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AEB6ED07-C176-496D-B9CA-F24933D71999"}, {"criteria": "cpe:2.3:a:python:python:2.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3870A704-5D26-4999-9C49-19AE9E88AAE2"}, {"criteria": "cpe:2.3:a:python:python:2.1.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A223BB3-DD5A-48C9-9C82-5D1C4F122828"}, {"criteria": "cpe:2.3:a:python:python:2.1.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C14973EE-5A2E-4935-8D29-594761502D72"}, {"criteria": 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