{"api_version":"1","generated_at":"2026-05-08T13:09:09+00:00","cve":"CVE-2021-20778","urls":{"html":"https://cve.report/CVE-2021-20778","api":"https://cve.report/api/cve/CVE-2021-20778.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-20778","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-20778"},"summary":{"title":"CVE-2021-20778","description":"Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.","state":"PUBLIC","assigner":"vultures@jpcert.or.jp","published_at":"2021-07-01 06:15:00","updated_at":"2022-06-28 14:11:00"},"problem_types":["NVD-CWE-Other"],"metrics":[],"references":[{"url":"https://www.ec-cube.net/info/weakness/weakness.php?id=80","name":"https://www.ec-cube.net/info/weakness/weakness.php?id=80","refsource":"MISC","tags":[],"title":"脆弱性 | ECサイト構築・リニューアルは「ECオープンプラットフォームEC-CUBE」","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"http://jvn.jp/en/jp/JVN57942445/index.html","name":"JVN#57942445","refsource":"JVN","tags":[],"title":"JVN#57942445: EC-CUBE fails to restrict access permissions","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://jvn.jp/en/jp/JVN57942445/index.html","name":"https://jvn.jp/en/jp/JVN57942445/index.html","refsource":"MISC","tags":[],"title":"JVN#57942445: EC-CUBE fails to restrict access permissions","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-20778","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20778","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"20778","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"ec-cube","cpe5":"ec-cube","cpe6":"4.0.6","cpe7":"-","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-20778","ASSIGNER":"vultures@jpcert.or.jp","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"EC-CUBE CO.,LTD.","product":{"product_data":[{"product_name":"EC-CUBE","version":{"version_data":[{"version_value":"4.0.6 (EC-CUBE 4 series)"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Improper Access Control"}]}]},"references":{"reference_data":[{"url":"https://www.ec-cube.net/info/weakness/weakness.php?id=80","refsource":"MISC","name":"https://www.ec-cube.net/info/weakness/weakness.php?id=80"},{"url":"https://jvn.jp/en/jp/JVN57942445/index.html","refsource":"MISC","name":"https://jvn.jp/en/jp/JVN57942445/index.html"},{"refsource":"JVN","name":"JVN#57942445","url":"http://jvn.jp/en/jp/JVN57942445/index.html"}]},"description":{"description_data":[{"lang":"eng","value":"Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors."}]}},"nvd":{"publishedDate":"2021-07-01 06:15:00","lastModifiedDate":"2022-06-28 14:11:00","problem_types":["NVD-CWE-Other"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","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:ec-cube:ec-cube:4.0.6:-:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"20778","Ordinal":"194823","Title":"CVE-2021-20778","CVE":"CVE-2021-20778","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"20778","Ordinal":"1","NoteData":"Improper access control vulnerability in EC-CUBE 4.0.6 (EC-CUBE 4 series) allows a remote attacker to bypass access restriction and obtain sensitive information via unspecified vectors.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"20778","Ordinal":"2","NoteData":"2021-07-01","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"20778","Ordinal":"3","NoteData":"2021-07-01","Type":"Other","Title":"Modified"}]}}}