{"id":"CVE-2021-24562","aliases":["EUVD-2021-11474","GHSA-h388-6737-2grv"],"status":"published","title":"LifterLMS \u003c 4.21.2 - Access Other Student Grades/Answers via IDOR","description":"The LMS by LifterLMS – Online Course, Membership \u0026 Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01625,"percentile":0.76465,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2021-08-23T11:10:14Z","modified":"2026-10-24T10:31:00Z","products":[{"vendor":"lifterlms","product":"lifterlms"},{"vendor":"unknown","product":"lms by lifterlms – online course, membership \u0026 learning management system plugin for wordpress"}],"references":[{"url":"https://wpscan.com/vulnerability/d45bb744-4a0d-4af0-aa16-71f7e3ea6e00","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://make.lifterlms.com/2021/05/17/lifterlms-version-4-21-2/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24562"},{"url":"https://github.com/advisories/GHSA-h388-6737-2grv"}],"sources":{"cve":[{"id":"CVE-2021-24562","title":"LifterLMS \u003c 4.21.2 - Access Other Student Grades/Answers via IDOR","description":"The LMS by LifterLMS – Online Course, Membership \u0026 Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades","status":"published","published":"2021-08-23T11:10:14Z","modified":"2024-08-03T19:35:20.173Z","cwes":["CWE-639"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11474","description":"The LMS by LifterLMS – Online Course, Membership \u0026 Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades","status":"published","published":"2021-08-23T11:10:14Z","modified":"2024-08-03T19:35:20Z","updated_at":"2026-11-03T03:24:56.857735Z"}],"ghsa":[{"id":"GHSA-h388-6737-2grv","title":"The LMS by LifterLMS – Online Course, Membership \u0026 Learning Management System Plugin for...","description":"The LMS by LifterLMS – Online Course, Membership \u0026 Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades","status":"published","published":"2022-05-24T22:28:41Z","modified":"2023-01-30T05:05:53Z","cwes":["CWE-639"],"updated_at":"2026-11-02T14:47:22.488805Z"}],"nvd":[{"id":"CVE-2021-24562","description":"The LMS by LifterLMS – Online Course, Membership \u0026 Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades","status":"published","published":"2021-08-23T12:15:10.197Z","modified":"2026-06-17T03:40:14.53Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:06:57.318236Z"}],"osv":[{"id":"CVE-2021-24562","description":"The LMS by LifterLMS – Online Course, Membership \u0026 Learning Management System Plugin for WordPress plugin before 4.21.2 was affected by an IDOR issue, allowing students to see other student answers and grades","status":"published","published":"2021-08-23T12:15:10.197Z","modified":"2026-10-24T10:31:00.664475988Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:18.778776Z"}]}}