{"id":"CVE-2020-15840","details":"In Liferay Portal before 7.3.1, Liferay Portal 6.2 EE, and Liferay DXP 7.2, DXP 7.1 and DXP 7.0, the property 'portlet.resource.id.banned.paths.regexp' can be bypassed with doubled encoded URLs.","aliases":["GHSA-vrwx-q9pj-x488"],"modified":"2026-03-15T22:44:19.702493Z","published":"2020-09-24T15:15:14.080Z","references":[{"type":"ADVISORY","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities"},{"type":"ADVISORY","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119772204"},{"type":"REPORT","url":"https://issues.liferay.com/browse/LPE-17046"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/liferay/liferay-portal","events":[{"introduced":"0"},{"fixed":"4ffdd7225ef4a5fd922703263a3006a741a4d8d0"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"7.3.1"}]}}],"versions":["6.1.0-b1","6.1.0-b2","6.1.0-b3","6.1.0-b4","6.1.0-rc1","6.2.0-b1","6.2.0-b2","6.2.0-m2","6.2.0-m3","6.2.0-m4","6.2.0-m5","6.2.0-m6","7.0.0-m1","7.0.0-m2","7.0.0-m3","7.0.0-m4","7.0.0-m5","7.1.0-a1","7.1.0-a2","7.1.0-b1","7.1.0-b2","7.1.0-m1","7.1.0-m2","7.2.0-a1","7.2.0-b1","7.2.0-b2","7.2.0-b3","7.2.0-m2","7.3.0-ga1","sync-3.0.0-b1","sync-3.0.1-b2","sync-3.0.10-ga2","sync-3.0.2-b3","sync-3.0.3-b4","sync-3.0.4-b5","sync-3.0.5-b6","sync-3.0.6-b7","sync-3.0.7-b8","sync-3.0.8-b9","sync-3.0.9-ga1","sync-3.1.0-ga1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15840.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.1"}]},{"events":[{"introduced":"0"},{"last_affected":"7.2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2-NA"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}