{"id":"CVE-2020-14149","aliases":["EUVD-2020-6306","GHSA-h47c-m3f2-95qp","openSUSE-SU-2020:0865-1"],"status":"published","title":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a...","description":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02374,"percentile":0.83971,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2020-06-15T16:52:20Z","modified":"2026-10-20T10:51:49Z","fixes":[{"ecosystem":"openSUSE:Leap 15.1","package":"uftpd","fixed_in":["2.12-lp151.2.6.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"uftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.12-lp151.2.6.1"}]}]}],"products":[{"vendor":"troglobit","product":"uftpd"}],"references":[{"url":"https://github.com/troglobit/uftpd/issues/30","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://bugs.gentoo.org/726308","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/troglobit/uftpd/releases/tag/v2.12","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00052.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14149"},{"url":"https://github.com/advisories/GHSA-h47c-m3f2-95qp"},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/7ZZVJKHMYEKLIWMJZN53DLSBGWMF5BNS/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1172959","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14149","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-14149","description":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.","status":"published","published":"2020-06-15T16:52:20Z","modified":"2024-08-04T12:39:36.017Z","updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-6306","description":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.","status":"published","published":"2020-06-15T16:52:20Z","modified":"2024-08-04T12:39:36Z","updated_at":"2026-11-03T03:07:35.099081Z"}],"ghsa":[{"id":"GHSA-h47c-m3f2-95qp","title":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a...","description":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.","status":"published","published":"2022-05-24T17:20:33Z","modified":"2024-04-04T02:54:24Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:56:12.690799Z"}],"nvd":[{"id":"CVE-2020-14149","description":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.","status":"published","published":"2020-06-15T18:15:15.147Z","modified":"2026-06-17T02:54:17.787Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"CVE-2020-14149","description":"In uftpd before 2.12, handle_CWD in ftpcmd.c mishandled the path provided by the user, causing a NULL pointer dereference and denial of service, as demonstrated by a CWD /.. command.","status":"published","published":"2020-06-15T18:15:15.147Z","modified":"2026-10-20T10:51:49.661095455Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"openSUSE-SU-2020:0865-1","title":"Security update for uftpd","description":"This update for uftpd fixes the following issues:\n\nuftpd was updated to version 2.12.\n\nChanges:\n\n* Use common log message format and log level when user enters\n  an invalid path. This unfortunately affects changes introduced\n  in v2.11 to increase logging at default log level.\n\nSecurity fixes:\n\n- CVE-2020-14149: When entering an invalid directory with the FTP\n  command CWD, a NULL ptr was deref. in a DBG() message even\n  though the log level is set to a value lower than LOG_DEBUG.\n  This caused uftpd to crash and cause denial of service.\n  Depending on the init/inetd system used this could be\n  permanent. (boo#1172959)\n","status":"published","published":"2020-06-25T12:18:25Z","modified":"2025-05-07T18:11:30.48633Z","updated_at":"2026-11-02T16:58:31.152112Z"}]}}