{"api_version":"1","generated_at":"2026-07-23T13:05:06+00:00","cve":"CVE-2020-21474","urls":{"html":"https://cve.report/CVE-2020-21474","api":"https://cve.report/api/cve/CVE-2020-21474.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-21474","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-21474"},"summary":{"title":"CVE-2020-21474","description":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2023-06-20 15:15:00","updated_at":"2023-06-27 18:25:00"},"problem_types":["CWE-434"],"metrics":[],"references":[{"url":"https://github.com/NucleusCMS/NucleusCMS/issues/95","name":"https://github.com/NucleusCMS/NucleusCMS/issues/95","refsource":"MISC","tags":[],"title":"File upload vulnerability in Nucleus CMS v3.71 · Issue #95 · NucleusCMS/NucleusCMS · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-21474","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21474","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"21474","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nucleuscms","cpe5":"nucleuscms","cpe6":"3.71","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-21474","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":"File Upload vulnerability in NucleusCMS v.3.71 allows a remote attacker to execute arbitrary code via the /nucleus/plugins/skinfiles/?dir=rsd parameter."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/NucleusCMS/NucleusCMS/issues/95","refsource":"MISC","name":"https://github.com/NucleusCMS/NucleusCMS/issues/95"}]}},"nvd":{"publishedDate":"2023-06-20 15:15:00","lastModifiedDate":"2023-06-27 18:25:00","problem_types":["CWE-434"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nucleuscms:nucleuscms:3.71:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"21474","Ordinal":"182883","Title":"CVE-2020-21474","CVE":"CVE-2020-21474","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"21474","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}