CVE-2023-21839

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-21839
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).

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html Exploit Third Party Advisory VDB Entry
https://www.oracle.com/security-alerts/cpujan2023.html Patch Vendor Advisory
http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html Exploit Third Party Advisory VDB Entry
https://www.oracle.com/security-alerts/cpujan2023.html Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839 US Government Resource
Configurations

Configuration 1 (hide)

OR 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:*:*:*:*:*:*:*
History

27 Oct 2025, 17:08

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839 - US Government Resource

22 Oct 2025, 00:18

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839 -

21 Oct 2025, 20:19

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:19

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839 -

21 Nov 2024, 07:43

Type Values Removed Values Added
References () http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html - Exploit, Third Party Advisory, VDB Entry () http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html - Exploit, Third Party Advisory, VDB Entry
References () https://www.oracle.com/security-alerts/cpujan2023.html - Patch, Vendor Advisory () https://www.oracle.com/security-alerts/cpujan2023.html - Patch, Vendor Advisory

19 Sep 2024, 20:10

Type Values Removed Values Added
CWE NVD-CWE-noinfo CWE-502

17 Sep 2024, 14:35

Type Values Removed Values Added
CWE CWE-306
Summary
  • (es) Vulnerabilidad en el producto Oracle WebLogic Server de Oracle Fusion Middleware (componente: Core). Las versiones compatibles que se ven afectadas son 12.2.1.3.0, 12.2.1.4.0 y 14.1.1.0.0. Una vulnerabilidad fácilmente explotable permite que un atacante no autenticado con acceso a la red a través de T3, IIOP comprometa Oracle WebLogic Server. Los ataques exitosos a esta vulnerabilidad pueden resultar en un acceso no autorizado a datos críticos o un acceso completo a todos los datos accesibles de Oracle WebLogic Server. CVSS 3.1 Puntaje base 7.5 (Impactos en la confidencialidad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

27 Jun 2024, 19:24

Type Values Removed Values Added
References () http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html - () http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html - Exploit, Third Party Advisory, VDB Entry

12 Jun 2023, 07:16

Type Values Removed Values Added
References
  • (MISC) http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html -
Information

Published : 2023-01-18 00:15

Updated : 2025-10-27 17:08

NVD link : CVE-2023-21839

Mitre link : CVE-2023-21839

CVE.ORG link : CVE-2023-21839

JSON object : View

Products Affected

oracle

  • weblogic_server
CWE
CWE-502

Deserialization of Untrusted Data

CWE-306

Missing Authentication for Critical Function