High severity7.5CISA KEVNVD Advisory· Published Jan 18, 2023· Updated Jun 17, 2026
CVE-2023-21839
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*+ 4 more
- cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*
- (no CPE)range: 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
- (no CPE)range: 12.2.1.3.0
- Range: 12.2.1.3.0, 12.2.1.4.0, 14.1.1.0.0
Patches
Vulnerability mechanics
References
3- www.oracle.com/security-alerts/cpujan2023.htmlnvdPatchVendor Advisory
- packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.htmlnvdExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
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