{"id":"CVE-2020-15842","aliases":["GHSA-mg3r-9jh8-33r9"],"url":"https://o3.security/vulnerability/CVE-2020-15842","summary":"Liferay Portal and Liferay DXP have Insecure Deserialization Vulnerability","details":"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.","published":"2020-07-20T02:15:11.660Z","modified":"2026-09-05T03:30:40.560042405Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01778,"percentile":0.762,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"com.liferay.portal:release.portal.bom","fixedVersion":"7.3.0"},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","fixedVersion":"7.0.10.fp90"},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","fixedVersion":"7.1.10.fp17"},{"ecosystem":"Maven","name":"com.liferay.portal:release.dxp.bom","fixedVersion":"7.2.10.fp5"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427"},{"type":"REPORT","url":"https://issues.liferay.com/browse/LPE-16963"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15842"},{"type":"PACKAGE","url":"https://github.com/liferay/liferay-portal"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-05T03:30:40.560042405Z"}}