{"cve":"CVE-2020-15842","nvd":{"published":"2020-07-20T02:15:11.660","modified":"2026-06-17T02:57:17.220","status":"Modified","description":"Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-502"],"references":["https://issues.liferay.com/browse/LPE-16963","https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427","https://issues.liferay.com/browse/LPE-16963","https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427"],"products":["liferay:digital_experience_platform","liferay:liferay_portal"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-15842","score":0.01793,"percentile":0.78411,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mg3r-9jh8-33r9","url":"https://osv.dev/vulnerability/GHSA-mg3r-9jh8-33r9","summary":"Liferay Portal and Liferay DXP have Insecure Deserialization Vulnerability","modified":"2025-05-28T20:42:12.274403Z","packages":[{"ecosystem":"Maven","name":"com.liferay.portal:release.portal.bom","purl":"pkg:maven/com.liferay.portal/release.portal.bom","ranges":["<7.3.0"],"fixed":["7.3.0"]},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","purl":"pkg:maven/com.liferay.portal/release.dxp.bom","ranges":[">=7.0.0 <7.0.10.fp90"],"fixed":["7.0.10.fp90"]},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","purl":"pkg:maven/com.liferay.portal/release.dxp.bom","ranges":[">=7.1.0 <7.1.10.fp17"],"fixed":["7.1.10.fp17"]},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","purl":"pkg:maven/com.liferay.portal/release.dxp.bom","ranges":[">=7.2.0 <7.2.10.fp5"],"fixed":["7.2.10.fp5"]}]}],"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."]}