{"id":"CVE-2020-29565","details":"An issue was discovered in OpenStack Horizon before 15.3.2, 16.x before 16.2.1, 17.x and 18.x before 18.3.3, 18.4.x, and 18.5.x. There is a lack of validation of the \"next\" parameter, which would allow someone to supply a malicious URL in Horizon that can cause an automatic redirect to the provided malicious URL.","aliases":["GHSA-f8fh-xp28-q59m","PYSEC-2020-45"],"modified":"2026-07-08T05:56:41.770482885Z","published":"2020-12-04T08:15:11.143Z","related":["SUSE-SU-2021:0099-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"]}]},"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4820"},{"type":"REPORT","url":"https://bugs.launchpad.net/horizon/+bug/1865026"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2020/12/08/2"},{"type":"FIX","url":"https://review.opendev.org/c/openstack/horizon/+/758841/"},{"type":"FIX","url":"https://review.opendev.org/c/openstack/horizon/+/758843/"},{"type":"FIX","url":"https://security.openstack.org/ossa/OSSA-2020-008.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openstack/horizon","events":[{"introduced":"6b32ff44ea88772a2b9b668e6efa9181058c2f02"},{"fixed":"9e0e333ab5277b6c396f602862ff90398cb0242b"},{"introduced":"26c97d910a135d1ab1bd8ecd47f5bd80355b5624"},{"fixed":"3689817f3317b999b2f0a5074ef56a55d8921488"},{"introduced":"201b5380d5c10c55fb71ffea7d67a26b288817cf"},{"fixed":"664c6ec28ec56ffd7474fba7ebce43dbdcf65543"},{"introduced":"dd62fd386e0899ff84cdf9418c63f98caf66cf33"},{"last_affected":"79e505520fc307eeedc1f5c81fb516e9638ebd72"}],"database_specific":{"cpe":"cpe:2.3:a:openstack:horizon:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"15.3.0"},{"fixed":"15.3.2"},{"introduced":"16.0.0"},{"fixed":"16.2.1"},{"introduced":"17.0.0"},{"fixed":"18.3.3"},{"introduced":"18.4.0"},{"last_affected":"18.5.0"}],"source":"CPE_RANGE"}}],"versions":["18.5.0","15.3.1","16.2.0","18.4.1","18.4.0","18.3.2","15.3.0","18.3.1","18.3.0","18.2.0","18.1.0","16.1.0","18.0.0","17.1.0","17.0.0","16.0.0.0rc2","16.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29565.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}