{"id":"CVE-2020-15839","aliases":["BIT-liferay-2020-15839","EUVD-2022-0957","GHSA-c7f6-4vx5-4263"],"status":"published","title":"Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02164,"percentile":0.82383,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434"],"published":"2020-09-22T17:27:49Z","modified":"2026-10-24T10:31:03Z","fixes":[{"ecosystem":"Maven","package":"com.liferay.portal:release.dxp.bom","fixed_in":["7.1.10.fp18","7.2.10.fp6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.liferay.portal:release.dxp.bom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"7.1.10.fp17"},{"fixed":"7.1.10.fp18"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"com.liferay.portal:release.dxp.bom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.2.1"},{"last_affected":"7.2.10.fp5"},{"fixed":"7.2.10.fp6"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"liferay","ranges":[{"type":"SEMVER","events":[{"introduced":"7.1.0"},{"last_affected":"7.1.0"},{"introduced":"7.2.0"},{"last_affected":"7.2.0"}]},{"type":"SEMVER","events":[{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-fix.0"},{"last_affected":"7.1-fix.0"},{"introduced":"7.1-sp1.0"},{"last_affected":"7.1-sp1.0"},{"introduced":"7.2-fix.0"},{"last_affected":"7.2-fix.0"},{"introduced":"7.2-fix.0"},{"last_affected":"7.2-fix.0"},{"introduced":"7.2-fix.0"},{"last_affected":"7.2-fix.0"},{"introduced":"7.2-fix.0"},{"last_affected":"7.2-fix.0"},{"introduced":"7.2-fix.0"},{"last_affected":"7.2-fix.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.liferay.portal:release.dxp.bom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.10.fp18"}]}],"versions":["7.0.10.14","7.0.10.14-1","7.0.10.16","7.0.10.17","7.0.10.7","7.0.10.8","7.0.10.9","7.0.10.fp100","7.0.10.fp101","7.0.10.fp102","7.0.10.fp60","7.0.10.fp61","7.0.10.fp62","7.0.10.fp63","7.0.10.fp64","7.0.10.fp65","7.0.10.fp66","7.0.10.fp67","7.0.10.fp68","7.0.10.fp69","7.0.10.fp70","7.0.10.fp71","7.0.10.fp72","7.0.10.fp73","7.0.10.fp74","7.0.10.fp75","7.0.10.fp76","7.0.10.fp77","7.0.10.fp78","7.0.10.fp79","7.0.10.fp80","7.0.10.fp81","7.0.10.fp82","7.0.10.fp83","7.0.10.fp84","7.0.10.fp85","7.0.10.fp85-1","7.0.10.fp86","7.0.10.fp86-1","7.0.10.fp87","7.0.10.fp87-1","7.0.10.fp88","7.0.10.fp89","7.0.10.fp90","7.0.10.fp91","7.0.10.fp92","7.0.10.fp94","7.0.10.fp94-1","7.0.10.fp95","7.0.10.fp95-1","7.0.10.fp95-2","7.0.10.fp97","7.0.10.fp98","7.1.10","7.1.10.fp1","7.1.10.fp10","7.1.10.fp11","7.1.10.fp12","7.1.10.fp13","7.1.10.fp14","7.1.10.fp15","7.1.10.fp16","7.1.10.fp17","7.1.10.fp2","7.1.10.fp3","7.1.10.fp4","7.1.10.fp5","7.1.10.fp6","7.1.10.fp7","7.1.10.fp8","7.1.10.fp9"]},{"source":"osv","ecosystem":"Maven","package":"com.liferay.portal:release.dxp.bom","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.2.1"},{"fixed":"7.2.10.fp6"}]}],"versions":["7.2.1","7.2.10","7.2.10.fp1","7.2.10.fp1-1","7.2.10.fp2","7.2.10.fp3","7.2.10.fp4","7.2.10.fp5"]}],"products":[{"vendor":"liferay","product":"digital_experience_platform"},{"vendor":"liferay","product":"liferay_portal"}],"references":[{"url":"https://portal.liferay.dev/learn/security/known-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://issues.liferay.com/browse/LPE-17029","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://issues.liferay.com/browse/LPE-17055","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15839","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c7f6-4vx5-4263"}],"sources":{"cve":[{"id":"CVE-2020-15839","description":"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.","status":"published","published":"2020-09-22T17:27:49Z","modified":"2024-08-04T13:30:22.686Z","updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2022-0957","description":"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.","status":"published","published":"2020-09-22T17:27:49Z","modified":"2024-08-04T13:30:22Z","updated_at":"2026-11-03T03:07:29.843843Z"}],"ghsa":[{"id":"GHSA-c7f6-4vx5-4263","title":"Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP","description":"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.","status":"published","published":"2022-02-10T20:46:21Z","modified":"2023-02-01T05:05:40Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2020-15839","description":"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.","status":"published","published":"2020-09-22T18:15:23.98Z","modified":"2026-06-17T02:57:16.837Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:15.83396Z"}],"osv":[{"id":"CVE-2020-15839","description":"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.","status":"published","published":"2020-09-22T18:15:23.98Z","modified":"2026-10-24T10:31:03.878465509Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-c7f6-4vx5-4263","title":"Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP","description":"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.","status":"published","published":"2022-02-10T20:46:21Z","modified":"2023-12-06T01:00:18.327326Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:44.571161Z"},{"id":"BIT-liferay-2020-15839","description":"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.","status":"published","published":"2024-01-31T15:22:25.605Z","modified":"2024-02-19T10:36:29.17Z","updated_at":"2026-11-02T15:28:32.162822Z"}]}}