{"id":"CVE-2020-21588","aliases":["EUVD-2020-14356","GHSA-682r-x8qw-hmq5"],"status":"published","title":"Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash)...","description":"Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash) via a long string in the Setup-\u003eUsers-\u003eUsername editbox.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0026,"percentile":0.17917,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-04-02T19:58:28Z","modified":"2026-06-17T03:03:47Z","products":[{"vendor":"coreftp","product":"core_ftp"}],"references":[{"url":"https://github.com/lonely-explorer/CoreFTP/issues/1","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://github.com/pwnninja/CoreFTP/issues/1","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21588"},{"url":"https://github.com/advisories/GHSA-682r-x8qw-hmq5"}],"sources":{"cve":[{"id":"CVE-2020-21588","description":"Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash) via a long string in the Setup-\u003eUsers-\u003eUsername editbox.","status":"published","published":"2021-04-02T19:58:28Z","modified":"2024-08-04T14:30:33.315Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14356","description":"Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash) via a long string in the Setup-\u003eUsers-\u003eUsername editbox.","status":"published","published":"2021-04-02T19:58:28Z","modified":"2024-08-04T14:30:33Z","updated_at":"2026-11-03T03:07:23.288973Z"}],"ghsa":[{"id":"GHSA-682r-x8qw-hmq5","title":"Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash)...","description":"Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash) via a long string in the Setup-\u003eUsers-\u003eUsername editbox.","status":"published","published":"2022-05-24T17:46:08Z","modified":"2024-04-04T03:05:45Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:56:13.784244Z"}],"nvd":[{"id":"CVE-2020-21588","description":"Buffer overflow in Core FTP LE v2.2 allows local attackers to cause a denial or service (crash) via a long string in the Setup-\u003eUsers-\u003eUsername editbox.","status":"published","published":"2021-04-02T20:15:12.503Z","modified":"2026-06-17T03:03:47.523Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:37.687844Z"}]}}