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Findings

CVE-2023-21839

Oracle WebLogic Server Unspecified Vulnerability

Published Jan 17, 2023 · updated Jun 16, 2026 · oracle weblogic server

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).

Timeline

Detection, updates, and resolution for this record.

  1. Jan 17, 2023 · Catalog

    Detected

    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 critica

  2. May 1, 2023 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 22, 2023 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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 critica

Required action

Apply updates per vendor instructions.

CISA due date May 22, 2023

Affected

  • cpe oracle/weblogic server12.2.1.3.0
  • cpe oracle/weblogic server12.2.1.4.0
  • cpe oracle/weblogic server14.1.1.0.0
  • vendor Oracle WebLogic Serverversion unspecified

Sources

  • CISA KEVCVE-2023-21839

    Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.

    cisa.gov
  • CVE.orgCVE-2023-21839

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-21839

    30-day exploitation probability 99.9%

    first.org
  • Metasploit Modulesexploit_multi/iiop/cve_2023_21839_weblogic_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-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 t

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References