{"id":"CVE-2021-20842","aliases":["EUVD-2022-4536","GHSA-m9hv-qmqh-33qh"],"status":"published","title":"EC-CUBE Cross-site request forgery (CSRF) vulnerability","description":"Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00551,"percentile":0.46578,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2021-11-24T08:25:42Z","modified":"2026-10-24T10:30:27Z","fixes":[{"ecosystem":"Packagist","package":"ec-cube/ec-cube","fixed_in":["2.17.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"ec-cube/ec-cube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.11.0"},{"last_affected":"2.17.1"},{"fixed":"2.17.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"ec-cube/ec-cube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.11.0"},{"fixed":"2.17.2"}]}]}],"products":[{"vendor":"ec-cube","product":"ec-cube"},{"vendor":"ec-cube co.,ltd.","product":"ec-cube 2 series"}],"references":[{"url":"https://www.ec-cube.net/info/weakness/20211111/","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Vendor Advisory","fix"]},{"url":"https://jvn.jp/en/jp/JVN75444925/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20842","tags":["advisory"]},{"url":"https://www.ec-cube.net/info/weakness/20211111","tags":["web"]},{"url":"https://github.com/advisories/GHSA-m9hv-qmqh-33qh"},{"url":"https://github.com/EC-CUBE/ec-cube","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-20842","description":"Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.","status":"published","published":"2021-11-24T08:25:42Z","modified":"2024-08-03T17:53:22.672Z","updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2022-4536","description":"Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.","status":"published","published":"2021-11-24T08:25:42Z","modified":"2024-08-03T17:53:22Z","updated_at":"2026-11-03T03:25:07.874589Z"}],"ghsa":[{"id":"GHSA-m9hv-qmqh-33qh","title":"EC-CUBE Cross-site request forgery (CSRF) vulnerability","description":"Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web 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forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web page.","status":"published","published":"2021-11-24T16:15:13.157Z","modified":"2026-10-24T10:30:27.904004808Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.004149Z"},{"id":"GHSA-m9hv-qmqh-33qh","title":"EC-CUBE Cross-site request forgery (CSRF) vulnerability","description":"Cross-site request forgery (CSRF) vulnerability in EC-CUBE 2 series 2.11.0 to 2.17.1 allows a remote attacker to hijack the authentication of Administrator and delete Administrator via a specially crafted web 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