{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-02T04:28:11.179","vulnerabilities":[{"cve":{"id":"CVE-2021-20187","sourceIdentifier":"secalert@redhat.com","published":"2021-01-28T19:15:13.377","lastModified":"2026-06-17T03:33:26.390","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that it was possible for site administrators to execute arbitrary PHP scripts via a PHP include used during Shibboleth authentication."},{"lang":"es","value":"Se encontró en Moodle versiones anteriores a 3.10.1, 3.9.4, 3.8.7 y 3.5.16, que era posible para los administradores del sitio ejecutar scripts PHP arbitrarios por medio de una inclusión PHP usada durante la autenticación Shibboleth"}],"affected":[{"source":"secalert@redhat.com","affectedData":[{"vendor":"n/a","product":"moodle","versions":[{"version":"moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-94"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-829"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*","versionEndExcluding":"3.5.16","matchCriteriaId":"0B9E3D3B-E8BB-458B-B7FC-D490CAFEEA1F"},{"vulnerable":true,"criteria":"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*","versionStartIncluding":"3.8.0","versionEndExcluding":"3.8.7","matchCriteriaId":"4C0C5BDE-B2B5-4DE7-BDE0-831F3B56A9CC"},{"vulnerable":true,"criteria":"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9.0","versionEndExcluding":"3.9.4","matchCriteriaId":"47B9548F-912D-4D36-BE31-566EF2812EEA"},{"vulnerable":true,"criteria":"cpe:2.3:a:moodle:moodle:3.10.0:*:*:*:*:*:*:*","matchCriteriaId":"7B9E83AE-D857-4F96-9466-1361E116D160"}]}]}],"references":[{"url":"https://moodle.org/mod/forum/discuss.php?d=417171","source":"secalert@redhat.com","tags":["Patch","Vendor Advisory"]},{"url":"https://moodle.org/mod/forum/discuss.php?d=417171","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]}]}}]}