{"id":"CVE-2021-40239","aliases":["EUVD-2021-27423","GHSA-x5r4-hffg-79fr"],"status":"published","title":"A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function...","description":"A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c","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":"2026-11-09","score":0.01409,"percentile":0.72823,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-10-11T18:20:34Z","modified":"2026-06-17T04:06:40Z","products":[{"vendor":"miniftpd_project","product":"miniftpd"}],"references":[{"url":"https://github.com/Gabe-commiter/Miniftpd/issues/2","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40239"},{"url":"https://github.com/advisories/GHSA-x5r4-hffg-79fr"}],"sources":{"cve":[{"id":"CVE-2021-40239","description":"A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c","status":"published","published":"2021-10-11T18:20:34Z","modified":"2024-08-04T02:27:31.878Z","updated_at":"2026-11-02T14:33:01.495293Z"}],"euvd":[{"id":"EUVD-2021-27423","description":"A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c","status":"published","published":"2021-10-11T18:20:34Z","modified":"2024-08-04T02:27:31Z","updated_at":"2026-11-03T03:24:20.862157Z"}],"ghsa":[{"id":"GHSA-x5r4-hffg-79fr","title":"A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function...","description":"A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c","status":"published","published":"2022-05-24T19:17:08Z","modified":"2023-01-30T05:02:46Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:46:42.642348Z"}],"nvd":[{"id":"CVE-2021-40239","description":"A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c","status":"published","published":"2021-10-11T19:15:07.627Z","modified":"2026-06-17T04:06:40.477Z","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":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}