{"id":"CVE-2016-4484","aliases":["DEBIAN-CVE-2016-4484","EUVD-2016-5471","GHSA-gv5v-vgx2-hgvr","UBUNTU-CVE-2016-4484"],"status":"published","title":"The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically...","description":"The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically proximate attackers to gain shell access via many log in attempts with an invalid password.","severity":{"version":"3.0","score":6.8,"vector":"CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00709,"percentile":0.53764,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2017-01-23T21:00:00Z","modified":"2026-10-20T10:47:39Z","fixes":[{"ecosystem":"Debian:12","package":"cryptsetup","fixed_in":["2:1.7.3-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"cryptsetup","fixed_in":["2:1.7.3-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"cryptsetup","fixed_in":["2:1.7.3-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"cryptsetup","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.7.3-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"cryptsetup","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.7.3-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"cryptsetup","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.7.3-2"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"cryptsetup","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.4.3-4ubuntu4","2:1.6.1-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"cryptsetup","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:1.6.6-5ubuntu2","2:1.6.6-5ubuntu2.1"]}],"products":[{"vendor":"cryptsetup_project","product":"cryptsetup"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/11/14/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://hmarco.org/bugs/CVE-2016-4484/CVE-2016-4484_cryptsetup_initrd_shell.html","tags":["x_refsource_MISC","x_transferred","Exploit","Mitigation","Technical Description","Third Party Advisory","evidence"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/15/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/15/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/94315","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://gitlab.com/cryptsetup/cryptsetup/commit/ef8a7d82d8d3716ae9b58179590f7908981fa0cb","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2016/11/16/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4484"},{"url":"https://github.com/advisories/GHSA-gv5v-vgx2-hgvr"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-4484","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-4484","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-4484","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-4484","description":"The Debian initrd script for the cryptsetup package 2:1.7.3-2 and earlier allows physically proximate attackers to gain shell 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