{"id":"CVE-2020-21237","aliases":["EUVD-2020-14011","GHSA-qmgf-hqxv-72p7"],"status":"published","title":"An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute...","description":"An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01129,"percentile":0.66658,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-307"],"published":"2021-12-27T22:22:59Z","modified":"2026-06-17T03:03:36Z","products":[{"vendor":"8cms","product":"ljcms"}],"references":[{"url":"https://github.com/wind-cyber/LJCMS-UserTraversal-Vulnerability","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21237"},{"url":"https://github.com/advisories/GHSA-qmgf-hqxv-72p7"}],"sources":{"cve":[{"id":"CVE-2020-21237","description":"An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.","status":"published","published":"2021-12-27T22:22:59Z","modified":"2024-08-04T14:22:25.558Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14011","description":"An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.","status":"published","published":"2021-12-27T22:22:59Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:23.734565Z"}],"ghsa":[{"id":"GHSA-qmgf-hqxv-72p7","title":"An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute...","description":"An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.","status":"published","published":"2021-12-29T00:00:57Z","modified":"2023-02-03T05:03:48Z","cwes":["CWE-307"],"updated_at":"2026-11-02T14:53:25.886002Z"}],"nvd":[{"id":"CVE-2020-21237","description":"An issue in the user login box of LJCMS v1.11 allows attackers to hijack user accounts via brute force attacks.","status":"published","published":"2021-12-27T23:15:08.043Z","modified":"2026-06-17T03:03:36.427Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","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-307"],"updated_at":"2026-11-02T14:06:46.101987Z"}]}}