{"id":"CVE-2021-42336","aliases":["EUVD-2021-29310","GHSA-g2g9-w63f-6jrm"],"status":"published","title":"Huachu Digital Technology Co.,Ltd. Easytest - Improper Authorization","description":"The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a user’s permission, remote attackers can access other users’ and administrator’s account information except password by crafting URL parameters.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00845,"percentile":0.58467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-285"],"published":"2021-10-15T12:10:40Z","modified":"2026-06-17T04:09:40Z","products":[{"vendor":"huachu digital technology co.,ltd.","product":"easytest"},{"vendor":"huaju","product":"easytest_online_learning_test_platform"},{"vendor":"wp grids","product":"easytest"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-5205-1de5a-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42336"},{"url":"https://github.com/advisories/GHSA-g2g9-w63f-6jrm"}],"sources":{"cve":[{"id":"CVE-2021-42336","title":"Huachu Digital Technology Co.,Ltd. Easytest - Improper Authorization","description":"The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a user’s permission, remote attackers can access other users’ and administrator’s account information except password by crafting URL parameters.","status":"published","published":"2021-10-15T12:10:40.38Z","modified":"2024-09-16T16:33:19.781Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29310","description":"The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a user’s permission, remote attackers can access other users’ and administrator’s account information except password by crafting URL parameters.","status":"published","published":"2021-10-15T12:10:40Z","modified":"2024-09-16T16:33:19Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:50.59293Z"}],"ghsa":[{"id":"GHSA-g2g9-w63f-6jrm","title":"The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a...","description":"The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a user’s permission, remote attackers can access other users’ and administrator’s account information except password by crafting URL parameters.","status":"published","published":"2022-05-24T22:28:38Z","modified":"2023-02-01T05:02:17Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:49:52.829666Z"}],"nvd":[{"id":"CVE-2021-42336","description":"The learning history page of the Easytest is vulnerable by permission bypass. After obtaining a user’s permission, remote attackers can access other users’ and administrator’s account information except password by crafting URL parameters.","status":"published","published":"2021-10-15T12:15:08.01Z","modified":"2026-06-17T04:09:40.137Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}