{"id":"CVE-2020-15839","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-15839","generatedAt":"2026-10-27T21:16:33.387Z","title":"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…","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.","published":"2020-09-22T18:15:24.000Z","lastModified":"2026-06-17T02:57:17.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","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"},"cwe":["CWE-434"],"affected":["liferay/digital experience platform","liferay/liferay portal"],"epss":{"score":0.02164,"percentile":0.8211,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.16%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://issues.liferay.com/browse/LPE-17029","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://issues.liferay.com/browse/LPE-17055","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://portal.liferay.dev/learn/security/known-vulnerabilities","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://issues.liferay.com/browse/LPE-17029","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://issues.liferay.com/browse/LPE-17055","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.liferay.dev/learn/security/known-vulnerabilities","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119784928","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-15839","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}