{"schema":"threatline.record/2","record":{"id":"CVE-2020-7961","aliases":[],"summary":"Liferay Portal Deserialization of Untrusted Data Vulnerability","details":"Liferay Portal contains a deserialization of untrusted data vulnerability that allows remote attackers to execute code via JSON web services.","categories":["Unclassified"],"product":"Liferay Portal","vendor":"Liferay","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-7961","source_modified_at":"2025-10-21T23:35:47.558Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2021-11-03","due_date":"2022-05-03","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.99905,"percentile":0.99966,"score_date":"2026-10-23"},"published_at":"2020-03-20T18:16:42.000Z","modified_at":"2025-10-21T23:35:47.558Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2020-7961","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:35:47.558Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/liferay_java_unmarshalling.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2019-11-25"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/48332","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2020-04-16"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-7961.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-7961","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7961","source":"CISA KEV"},{"source":"CVE List","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/117954271","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","url":"https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-7961","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-02-04T19:57:35.405600Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Liferay Portal Java Unmarshalling via JSONWS RCE","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/liferay_java_unmarshalling.rb","date":"2019-11-25","added":"2024-06-14","check":true},{"source":"Exploit-DB","kind":"Remote exploit","name":"Liferay Portal - Java Unmarshalling via JSONWS RCE (Metasploit)","url":"https://www.exploit-db.com/exploits/48332","date":"2020-04-16","added":"2020-04-16","verified":true},{"source":"Nuclei","kind":"Scanner template","name":"Liferay Portal Unauthenticated < 7.2.1 CE GA2 - Remote Code Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-7961.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2025-10-21T23:35:47.558Z","content_hash":"90abdfa072c1499012154a07f6ee31bf7bcf1b69d2b5c29ad924c1b263199a60"}}