{"api_version":"1","generated_at":"2026-07-25T00:16:05+00:00","cve":"CVE-2021-45471","urls":{"html":"https://cve.report/CVE-2021-45471","api":"https://cve.report/api/cve/CVE-2021-45471.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-45471","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-45471"},"summary":{"title":"CVE-2021-45471","description":"In MediaWiki through 1.37, blocked IP addresses are allowed to edit EntitySchema items.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2021-12-24 02:15:00","updated_at":"2023-11-07 03:39:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c","name":"https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c","refsource":"MISC","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/","name":"FEDORA-2021-bef1126908","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 35 Update: mediawiki-1.36.3-1.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://phabricator.wikimedia.org/T296578","name":"https://phabricator.wikimedia.org/T296578","refsource":"MISC","tags":[],"title":"⚓ T296578 Globally blocked IPs can edit EntitySchema items","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9","name":"https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9","refsource":"MISC","tags":[],"title":"","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/","name":"FEDORA-2021-bef1126908","refsource":"","tags":[],"title":"[SECURITY] Fedora 35 Update: mediawiki-1.36.3-1.fc35 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-45471","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45471","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"45471","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"35","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"45471","vulnerable":"1","versionEndIncluding":"1.37","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mediawiki","cpe5":"mediawiki","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-45471","qid":"282222","title":"Fedora Security Update for mediawiki (FEDORA-2021-bef1126908)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-45471","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In MediaWiki through 1.37, blocked IP addresses are allowed to edit EntitySchema items."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://phabricator.wikimedia.org/T296578","refsource":"MISC","name":"https://phabricator.wikimedia.org/T296578"},{"url":"https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9","refsource":"MISC","name":"https://gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9"},{"url":"https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c","refsource":"MISC","name":"https://gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622c"},{"refsource":"FEDORA","name":"FEDORA-2021-bef1126908","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z7JNQA53K675TQBBJPZRAG5ZT6XES3IS/"}]}},"nvd":{"publishedDate":"2021-12-24 02:15:00","lastModifiedDate":"2023-11-07 03:39:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":5},"severity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*","versionEndIncluding":"1.37","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"45471","Ordinal":"223820","Title":"CVE-2021-45471","CVE":"CVE-2021-45471","Year":"2021"},"notes":[]}}}