{"id":"CVE-2021-46854","aliases":["DEBIAN-CVE-2021-46854","EUVD-2021-33508","GHSA-qr96-w82v-r28g","OESA-2022-2127","OESA-2022-2128","UBUNTU-CVE-2021-46854"],"status":"published","title":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies...","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01256,"percentile":0.69945,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-401"],"published":"2022-11-23T00:00:00Z","modified":"2026-11-09T10:45:22Z","fixes":[{"ecosystem":"Debian:12","package":"proftpd-dfsg","fixed_in":["1.3.7c+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"proftpd-dfsg","fixed_in":["1.3.7c+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"proftpd-dfsg","fixed_in":["1.3.7c+dfsg-1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP1","package":"proftpd","fixed_in":["1.3.7a-2.oe1"],"sources":["osv"]},{"ecosystem":"openEuler:20.03-LTS-SP3","package":"proftpd","fixed_in":["1.3.7a-2.oe1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.7c+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.7c+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.7c+dfsg-1"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"proftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.7a-2.oe1"}]}]},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP3","package":"proftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.7a-2.oe1"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.5d-1","1.3.5e-1build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"proftpd-dfsg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.6-6build2","1.3.6c-1","1.3.6c-2","1.3.6c-2ubuntu0.1"]}],"products":[{"vendor":"proftpd","product":"proftpd"}],"references":[{"url":"https://github.com/proftpd/proftpd/issues/1284","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/proftpd/proftpd/pull/1285","tags":["x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://bugs.gentoo.org/811495","tags":["x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e","tags":["x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://security.gentoo.org/glsa/202305-03","tags":["vendor-advisory","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46854","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qr96-w82v-r28g"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-46854","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2127","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2128","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-46854","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-46854","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-46854","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","status":"published","published":"2022-11-23T00:00:00Z","modified":"2025-04-28T20:17:36.096Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-33508","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","status":"published","published":"2022-11-23T00:00:00Z","modified":"2025-04-28T20:17:36Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:01.50163Z"}],"ghsa":[{"id":"GHSA-qr96-w82v-r28g","title":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies...","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","status":"published","published":"2022-11-23T09:30:24Z","modified":"2023-05-03T12:30:35Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:54:34.500941Z"}],"nvd":[{"id":"CVE-2021-46854","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","status":"published","published":"2022-11-23T07:15:09.057Z","modified":"2026-06-17T04:15:40.733Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:07:06.906968Z"}],"osv":[{"id":"CVE-2021-46854","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","status":"published","published":"2022-11-23T07:15:09.057Z","modified":"2026-11-09T10:45:22.883424868Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-09T10:53:57.550641Z"},{"id":"DEBIAN-CVE-2021-46854","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","status":"published","published":"2022-11-23T07:15:09.057Z","modified":"2026-10-23T18:04:01.047070939Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:35.799676Z"},{"id":"OESA-2022-2127","title":"proftpd security update","description":"ProFTPD is an enhanced FTP server with a focus toward simplicity, security, and ease of configuration. It features a very Apache-like configuration syntax, and a highly customizable server infrastructure, including support for multiple 'virtual' FTP servers, anonymous FTP, and permission-based directory visibility.\r\n\r\nSecurity Fix(es):\r\n\r\nmod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.(CVE-2021-46854)","status":"published","published":"2022-12-05T11:05:26Z","modified":"2026-08-18T01:17:26.973287897Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:39.934788Z"},{"id":"OESA-2022-2128","title":"proftpd security update","description":"ProFTPD is an enhanced FTP server with a focus toward simplicity, security, and ease of configuration. It features a very Apache-like configuration syntax, and a highly customizable server infrastructure, including support for multiple 'virtual' FTP servers, anonymous FTP, and permission-based directory visibility.\r\n\r\nSecurity Fix(es):\r\n\r\nmod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.(CVE-2021-46854)","status":"published","published":"2022-12-05T11:05:26Z","modified":"2026-08-18T01:17:28.287639396Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:39.934788Z"},{"id":"UBUNTU-CVE-2021-46854","description":"mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.","status":"published","published":"2022-11-23T07:15:00Z","modified":"2026-04-22T13:05:35.578692Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:30.277322Z"}]}}