{"schema":"threatline.record/2","record":{"id":"CVE-2023-21839","aliases":[],"summary":"Oracle WebLogic Server Unspecified Vulnerability","details":"Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.","categories":["Web servers"],"product":"WebLogic Server","vendor":"Oracle","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2023-21839","source_modified_at":"2025-10-21T23:15:28.458Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"WebLogic Server","vendor":"Oracle Corporation","versions":[{"version":"12.2.1.3.0","status":"affected"},{"version":"12.2.1.4.0","status":"affected"},{"version":"14.1.1.0.0","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2023-05-01","due_date":"2023-05-22","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.999,"percentile":0.99966,"score_date":"2026-10-23"},"published_at":"2023-01-17T23:35:09.774Z","modified_at":"2025-10-21T23:15:28.458Z","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-2023-21839","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:15:28.458Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/iiop/cve_2023_21839_weblogic_rce.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2023-01-17"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2023/CVE-2023-21839.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-2023-21839","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21839","source":"CISA KEV"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2024-09-17T13:56:26.860639Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"Oracle Weblogic PreAuth Remote Command Execution via ForeignOpaqueReference IIOP Deserialization","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/iiop/cve_2023_21839_weblogic_rce.rb","date":"2023-01-17","added":"2026-03-11","check":true},{"source":"Nuclei","kind":"Scanner template","name":"Oracle WebLogic Server - Unauthorized Access","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2023/CVE-2023-21839.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:15:28.458Z","content_hash":"e0db953d94e073e5abe4834605ced7d1e647276e37fdb084032443cfd7e354cd"}}