{"id":"CVE-2020-15839","aliases":["BIT-liferay-2020-15839","GHSA-c7f6-4vx5-4263"],"url":"https://o3.security/vulnerability/CVE-2020-15839","summary":"Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP","details":"Liferay Portal before 7.3.3, and Liferay DXP 7.1 before fix pack 18 and 7.2 before fix pack 6, does not restrict the size of a multipart/form-data POST action, which allows remote authenticated users to conduct denial-of-service attacks by uploading large files.","published":"2020-09-22T18:15:23.980Z","modified":"2026-07-08T05:55:46.450611274Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.02164,"percentile":0.80618,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","fixedVersion":"7.1.10.fp18"},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","fixedVersion":"7.2.10.fp6"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://issues.liferay.com/browse/LPE-17029"},{"type":"ADVISORY","url":"https://issues.liferay.com/browse/LPE-17055"},{"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/119784928"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:55:46.450611274Z"}}