{"id":"CVE-2020-20276","aliases":["EUVD-2020-13063","GHSA-w7fv-r9rg-26jv"],"status":"published","title":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd...","description":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.","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":0.03432,"percentile":0.8905,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-12-18T18:09:03Z","modified":"2026-10-20T13:52:40Z","products":[{"vendor":"troglobit","product":"uftpd"}],"references":[{"url":"https://github.com/troglobit/uftpd/commit/0fb2c031ce0ace07cc19cd2cb2143c4b5a63c9dd","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://arinerron.com/blog/posts/6","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20276"},{"url":"https://github.com/advisories/GHSA-w7fv-r9rg-26jv"}],"sources":{"cve":[{"id":"CVE-2020-20276","description":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.","status":"published","published":"2020-12-18T18:09:03Z","modified":"2024-08-04T14:15:29Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13063","description":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.","status":"published","published":"2020-12-18T18:09:03Z","modified":"2024-08-04T14:15:29Z","updated_at":"2026-11-03T03:07:24.770982Z"}],"ghsa":[{"id":"GHSA-w7fv-r9rg-26jv","title":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd...","description":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.","status":"published","published":"2022-05-24T17:36:51Z","modified":"2023-01-29T05:05:07Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:43.003111Z"}],"nvd":[{"id":"CVE-2020-20276","description":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.","status":"published","published":"2020-12-18T19:15:14.047Z","modified":"2026-06-17T03:02:56.03Z","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-787"],"updated_at":"2026-11-02T14:06:27.73474Z"}],"osv":[{"id":"CVE-2020-20276","description":"An unauthenticated stack-based buffer overflow vulnerability in common.c's handle_PORT in uftpd FTP server versions 2.10 and earlier can be abused to cause a crash and could potentially lead to remote code execution.","status":"published","published":"2020-12-18T19:15:14.047Z","modified":"2026-10-20T13:52:40.460971039Z","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"}],"updated_at":"2026-11-02T15:44:15.212689Z"}]}}