{"id":"CVE-2023-21839","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-21839","generatedAt":"2026-10-27T20:52:48.603Z","title":"Oracle WebLogic Server Unspecified Vulnerability","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).","published":"2023-01-18T00:15:13.000Z","lastModified":"2026-06-17T05:34:10.000Z","status":"Analyzed","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-502","CWE-306"],"affected":["oracle/weblogic server"],"epss":{"score":0.999,"percentile":0.99966,"date":"2026-10-26","history":[]},"kev":{"listed":true,"dateAdded":"2023-05-01","dueDate":"2023-05-22","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://www.oracle.com/security-alerts/cpujan2023.html;  https://nvd.nist.gov/vuln/detail/CVE-2023-21839"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 May 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"secalert_us@oracle.com"},{"url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-21839","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}