{"cve":"CVE-2020-7961","nvd":{"published":"2020-03-20T19:15:12.737","modified":"2026-06-17T03:25:42.180","status":"Analyzed","description":"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).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-502"],"references":["http://packetstormsecurity.com/files/157254/Liferay-Portal-Java-Unmarshalling-Remote-Code-Execution.html","http://packetstormsecurity.com/files/158392/Liferay-Portal-Remote-Code-Execution.html","https://portal.liferay.dev/learn/security/known-vulnerabilities","https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271","https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/"],"products":["liferay:liferay_portal"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-7961","score":0.99905,"percentile":0.99966,"date":"2026-10-31"},"kev":{"cve":"CVE-2020-7961","date_added":"2021-11-03","due_date":"2022-05-03","vendor":"Liferay","product":"Liferay Portal","known_ransomware":false},"osv":[{"id":"GHSA-w7pm-cc4v-f3g8","url":"https://osv.dev/vulnerability/GHSA-w7pm-cc4v-f3g8","summary":"Deserialization of Untrusted Data in Liferay Portal","modified":"2025-10-22T19:26:16.486025Z","packages":[{"ecosystem":"Maven","name":"com.liferay.portal:com.liferay.portal.kernel","purl":"pkg:maven/com.liferay.portal/com.liferay.portal.kernel","ranges":["<4.35.3"],"fixed":["4.35.3"]}]}],"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."]}