{"schema_version":"1.7.5","id":"CVE-2020-8184","published":"2020-06-19T17:15:18.757Z","modified":"2026-07-08T05:56:14.669277847Z","aliases":["GHSA-j6w9-fv6q-3q52"],"related":["SUSE-RU-2020:2161-1","SUSE-SU-2020:2678-1","SUSE-SU-2020:3036-1","SUSE-SU-2020:3147-1","SUSE-SU-2020:3160-1","SUSE-SU-2022:3347-1","openSUSE-SU-2020:1993-1","openSUSE-SU-2020:2000-1","openSUSE-SU-2024:10589-1","openSUSE-SU-2024:11344-1","openSUSE-SU-2024:12119-1","openSUSE-SU-2024:12397-1","openSUSE-SU-2024:12974-1","openSUSE-SU-2024:13167-1","openSUSE-SU-2024:13726-1","openSUSE-SU-2024:13727-1","openSUSE-SU-2025:14811-1","openSUSE-SU-2025:14875-1","openSUSE-SU-2026:10286-1","openSUSE-SU-2026:10358-1"],"details":"A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rack/rack","events":[{"introduced":"0"},{"fixed":"52808700e0ade4225625c6729529e13a6b31cc2f"},{"introduced":"39d501a28c1fe51284addfe6dacffafb69d49849"},{"fixed":"1741c580d71cfca8e541e96cc372305c8892ee74"}],"database_specific":{"cpe":"cpe:2.3:a:rack_project:rack:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.1.4"},{"introduced":"2.2.0"},{"fixed":"2.2.3"}],"source":"CPE_RANGE"}}],"versions":["v2.2.2","2.1.3","2.1.2","v2.2.1","2.2.0","2.1.1","2.1.0","2.0.1","2.0.0","2.0.0.rc1","2.0.0.alpha","1.6.0.beta","1.5.1","1.5.0","1.4.1","1.4.0","1.3.0","1.3.0.beta2","1.3.0.beta","1.0","0.3","0.2","0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8184.json"}}],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00006.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2023/01/msg00038.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4561-1/"},{"type":"FIX","url":"https://groups.google.com/g/rubyonrails-security/c/OWtmozPH9Ak"},{"type":"FIX","url":"https://hackerone.com/reports/895727"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"],"extracted_events":[{"introduced":"18.04"},{"last_affected":"18.04"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"},{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}