{"id":"CVE-2020-7961","aliases":["GHSA-w7pm-cc4v-f3g8"],"url":"https://o3.security/vulnerability/CVE-2020-7961","summary":"Deserialization of Untrusted Data in Liferay Portal","details":"Deserialization of Untrusted Data in Liferay Portal prior to 7.2.1 CE GA2 allows remote attackers to execute arbitrary code via JSON web services (JSONWS).","published":"2020-03-20T19:15:12.737Z","modified":"2026-10-24T10:30:56.094968002Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.99905,"percentile":0.99965,"asOf":"2026-09-15"},"cisaKev":null,"exploitsKnown":16,"affectedPackages":[{"ecosystem":"Maven","name":"com.liferay.portal:com.liferay.portal.kernel","fixedVersion":"4.35.3"}],"fix":null,"references":[{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7961"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html"},{"type":"ADVISORY","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities"},{"type":"ADVISORY","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271"},{"type":"EVIDENCE","url":"https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7961"},{"type":"PACKAGE","url":"https://github.com/liferay/liferay-portal"},{"type":"WEB","url":"https://github.com/liferay/liferay-portal/blob/7.2.1-ga2/portal-kernel/bnd.bnd"},{"type":"WEB","url":"https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:56.094968002Z"}}