CVE-2014-7831

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"lib/classes/grades_external.php in Moodle 2.7.x before 2.7.3 does not consider the moodle/grade:viewhidden capability before displaying hidden grades, which allows remote authenticated users to obtain sensitive information by leveraging the student role to access the get_grades web service."}, {"lang": "es", "value": "lib/classes/grades_external.php en Moodle 2.7.x anterior a 2.7.3 no considera la funcionalidad moodle/grade:viewhidden antes de mostrar notas escondidas, lo que permite a usuarios remotos autenticados obtener informaci\u00f3n sensible mediante el aprovechamiento de la lista de estudiantes para acceder al servicio web get_grades."}], "id": "CVE-2014-7831", "lastModified": "2026-06-17T00:15:47.383", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-11-24T11:59:01.520", "references": [{"source": "secalert@redhat.com", "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766"}, {"source": "secalert@redhat.com", "url": "http://openwall.com/lists/oss-security/2014/11/17/11"}, {"source": "secalert@redhat.com", "url": "http://www.securitytracker.com/id/1031215"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://moodle.org/mod/forum/discuss.php?d=275153"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47766"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": 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