{"id":"CVE-2023-21839","aliases":["EUVD-2023-26005","GHSA-f8x3-c29w-wfmj"],"status":"published","title":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)...","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and  14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.999,"percentile":0.99966,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-306","CWE-502"],"published":"2023-01-17T23:35:09Z","modified":"2026-06-17T05:34:09Z","kev":{"date_added":"2023-05-01","due_date":"2023-05-22","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2023-05-01"},{"source":"kev","since":"2023-05-01"}],"exploits":[{"source":"metasploit","id":"exploit/multi/iiop/cve_2023_21839_weblogic_rce","title":"Oracle Weblogic PreAuth Remote Command Execution via ForeignOpaqueReference IIOP Deserialization","type":"exploit","platform":"Linux,Unix","date":"2023-01-17","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/multi/iiop/cve_2023_21839_weblogic_rce"},{"source":"pocgithub","id":"DXask88MA/Weblogic-CVE-2023-21839","title":"DXask88MA/Weblogic-CVE-2023-21839","date":"2023-02-21","url":"https://github.com/DXask88MA/Weblogic-CVE-2023-21839"},{"source":"pocgithub","id":"ASkyeye/CVE-2023-21839","title":"ASkyeye/CVE-2023-21839","date":"2023-02-24","url":"https://github.com/ASkyeye/CVE-2023-21839"},{"source":"pocgithub","id":"Firebasky/CVE-2023-21839","title":"Firebasky/CVE-2023-21839","date":"2023-03-11","url":"https://github.com/Firebasky/CVE-2023-21839"},{"source":"pocgithub","id":"houqe/POC_CVE-2023-21839","title":"houqe/POC_CVE-2023-21839","date":"2023-04-15","url":"https://github.com/houqe/POC_CVE-2023-21839"},{"source":"pocgithub","id":"kw3h4/CVE-2023-21839-metasploit-scanner","title":"kw3h4/CVE-2023-21839-metasploit-scanner","date":"2023-05-29","url":"https://github.com/kw3h4/CVE-2023-21839-metasploit-scanner"},{"source":"pocgithub","id":"Romanc9/Gui-poc-test","title":"Romanc9/Gui-poc-test","date":"2023-12-03","url":"https://github.com/Romanc9/Gui-poc-test"},{"source":"pocgithub","id":"dinosn/CVE-2024-20931","title":"dinosn/CVE-2024-20931","date":"2024-02-06","url":"https://github.com/dinosn/CVE-2024-20931"},{"source":"pocgithub","id":"dinosn/CVE-2024-21182","title":"dinosn/CVE-2024-21182","date":"2026-06-02","url":"https://github.com/dinosn/CVE-2024-21182"},{"source":"nuclei","id":"CVE-2023-21839","title":"Oracle WebLogic Server - Unauthorized Access","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/javascript/cves/2023/CVE-2023-21839.yaml"}],"products":[{"vendor":"oracle","product":"weblogic server"},{"vendor":"oracle","product":"weblogic_server"},{"vendor":"oracle corporation","product":"weblogic server"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html","tags":["x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21839"},{"url":"https://github.com/advisories/GHSA-f8x3-c29w-wfmj"}],"sources":{"cve":[{"id":"CVE-2023-21839","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and  14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).","status":"published","published":"2023-01-17T23:35:09.774Z","modified":"2025-10-21T23:15:28.458Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:20.812737Z"}],"euvd":[{"id":"EUVD-2023-26005","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and  14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).","status":"published","published":"2023-01-17T23:35:09Z","modified":"2025-10-21T23:15:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"exploited_since":"2023-05-01","updated_at":"2026-11-02T20:31:26.48918Z"}],"ghsa":[{"id":"GHSA-f8x3-c29w-wfmj","title":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core)...","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and  14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).","status":"published","published":"2023-01-18T00:30:17Z","modified":"2025-10-22T00:33:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-306","CWE-502"],"updated_at":"2026-11-02T15:04:08.198655Z"}],"kev":[{"id":"CVE-2023-21839","title":"Oracle WebLogic Server Unspecified Vulnerability","description":"Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.","kev":{"date_added":"2023-05-01","due_date":"2023-05-22","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2023-21839","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core).  Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and  14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).","status":"published","published":"2023-01-18T00:15:13.45Z","modified":"2026-06-17T05:34:09.56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-502","CWE-306"],"updated_at":"2026-11-02T14:07:45.305824Z"}]}}