{"cve":"CVE-2020-15839","nvd":{"published":"2020-09-22T18:15:23.980","modified":"2026-06-17T02:57:16.837","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-434"],"references":["https://issues.liferay.com/browse/LPE-17029","https://issues.liferay.com/browse/LPE-17055","https://portal.liferay.dev/learn/security/known-vulnerabilities","https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928","https://issues.liferay.com/browse/LPE-17029"],"products":["liferay:digital_experience_platform","liferay:liferay_portal"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-15839","score":0.02164,"percentile":0.82238,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-c7f6-4vx5-4263","url":"https://osv.dev/vulnerability/GHSA-c7f6-4vx5-4263","summary":"Unrestricted Upload of File with Dangerous Type in Liferay Portal and Liferay DXP","modified":"2023-12-06T01:00:18.327326Z","packages":[{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","purl":"pkg:maven/com.liferay.portal/release.dxp.bom","ranges":["<7.1.10.fp18"],"fixed":["7.1.10.fp18"]},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","purl":"pkg:maven/com.liferay.portal/release.dxp.bom","ranges":[">=7.2.1 <7.2.10.fp6"],"fixed":["7.2.10.fp6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}