{"id":"CVE-2020-2551","aliases":["EUVD-2020-22344","GHSA-85qx-3cmc-hcq4"],"status":"published","title":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS...","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.92817,"percentile":0.99832,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"published":"2020-01-15T16:34:00Z","modified":"2026-06-17T03:12:20Z","kev":{"date_added":"2023-11-16","due_date":"2023-12-07","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2023-11-16"},{"source":"kev","since":"2023-11-16"}],"exploits":[{"source":"pocgithub","id":"daybreak-kits/weblogicScanner","title":"daybreak-kits/weblogicScanner","date":"2020-01-15","url":"https://github.com/daybreak-kits/weblogicScanner"},{"source":"pocgithub","id":"jas502n/CVE-2020-2551","title":"jas502n/CVE-2020-2551","date":"2020-01-18","url":"https://github.com/jas502n/CVE-2020-2551"},{"source":"pocgithub","id":"hktalent/CVE-2020-2551","title":"hktalent/CVE-2020-2551","date":"2020-01-19","url":"https://github.com/hktalent/CVE-2020-2551"},{"source":"pocgithub","id":"Y4er/CVE-2020-2551","title":"Y4er/CVE-2020-2551","date":"2020-02-28","url":"https://github.com/Y4er/CVE-2020-2551"},{"source":"pocgithub","id":"zzwlpx/weblogicPoc","title":"zzwlpx/weblogicPoc","date":"2020-05-16","url":"https://github.com/zzwlpx/weblogicPoc"},{"source":"pocgithub","id":"Dido1960/Weblogic-CVE-2020-2551-To-Internet","title":"Dido1960/Weblogic-CVE-2020-2551-To-Internet","date":"2020-05-24","url":"https://github.com/Dido1960/Weblogic-CVE-2020-2551-To-Internet"},{"source":"pocgithub","id":"DaMinGshidashi/CVE-2020-2551","title":"DaMinGshidashi/CVE-2020-2551","date":"2020-09-02","url":"https://github.com/DaMinGshidashi/CVE-2020-2551"},{"source":"pocgithub","id":"abbarhissarh/CVE-Exploit","title":"abbarhissarh/CVE-Exploit","date":"2022-06-02","url":"https://github.com/abbarhissarh/CVE-Exploit"},{"source":"nuclei","id":"CVE-2020-2551","title":"Oracle WebLogic Server - Remote Code Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-2551.yaml"}],"products":[{"vendor":"oracle","product":"fusion middleware"},{"vendor":"oracle","product":"weblogic_server"},{"vendor":"oracle corporation","product":"weblogic server"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2020.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2551","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2551"},{"url":"https://github.com/advisories/GHSA-85qx-3cmc-hcq4"}],"sources":{"cve":[{"id":"CVE-2020-2551","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-01-15T16:34:00Z","modified":"2026-01-12T21:12:03.126Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:35:51.563355Z"}],"euvd":[{"id":"EUVD-2020-22344","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-01-15T16:34:00Z","modified":"2026-01-12T21:12:03Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2023-11-16","updated_at":"2026-11-02T19:48:53.22038Z"}],"ghsa":[{"id":"GHSA-85qx-3cmc-hcq4","title":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS...","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2022-05-24T17:06:26Z","modified":"2025-10-22T00:31:50Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:04:04.176931Z"}],"kev":[{"id":"CVE-2020-2551","title":"Oracle Fusion Middleware Unspecified Vulnerability","description":"Oracle Fusion Middleware contains an unspecified vulnerability in the WLS Core Components that allows an unauthenticated attacker with network access via IIOP to compromise the WebLogic Server.","kev":{"date_added":"2023-11-16","due_date":"2023-12-07","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2020-2551","description":"Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-01-15T17:15:17.19Z","modified":"2026-06-17T03:12:20.303Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:05:52.385274Z"}]}}