{"id":"CVE-2019-11234","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-11234","generatedAt":"2026-10-29T01:56:10.129Z","title":"FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a \"Dragonblood\" issue, a similar issue to CVE-2019-9497.","description":"FreeRADIUS before 3.0.19 does not prevent use of reflection for authentication spoofing, aka a \"Dragonblood\" issue, a similar issue to CVE-2019-9497.","published":"2019-04-22T11:29:03.000Z","lastModified":"2026-06-17T02:12:36.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-287"],"affected":["freeradius/freeradius","fedoraproject/fedora","redhat/enterprise linux","canonical/ubuntu linux"],"epss":{"score":0.07624,"percentile":0.94532,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (7.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:1131","source":"cve@mitre.org"},{"url":"https://access.redhat.com/errata/RHSA-2019:1142","source":"cve@mitre.org"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1695783","tags":["Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://freeradius.org/security/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://papers.mathyvanhoef.com/dragonblood.pdf","tags":["Technical Description","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://usn.ubuntu.com/3954-1/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.kb.cert.org/vuls/id/871675/","tags":["Not Applicable","Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00014.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00032.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00033.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:1131","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2019:1142","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1695783","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://freeradius.org/release_notes/?br=3.0.x&re=3.0.19","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://freeradius.org/security/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://papers.mathyvanhoef.com/dragonblood.pdf","tags":["Technical Description","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/3954-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/871675/","tags":["Not Applicable","Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-11234","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}