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    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).

    Published:Jan 17, 2023
    Last Modified:Oct 27, 2025
    EPS:Jan 17, 2023
    EPSS Score:0.94215
    CVSS Score:7.5

    CISA Notification

    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).

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    May 22, 2023
    1208 days ago
    Alert Date
    May 1, 2023
    1229 days ago

    Affected Products

    Vendor
    Oracle
    Product
    Weblogic Server

    Exploits

    http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.htmlhttp://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.htmlhttps://github.com/ASkyeye/CVE-2023-21839https://github.com/dinosn/CVE-2024-20931https://github.com/dinosn/CVE-2024-21182https://github.com/DXask88MA/Weblogic-CVE-2023-21839https://github.com/Firebasky/CVE-2023-21839https://github.com/houqe/POC_CVE-2023-21839https://github.com/kw3h4/CVE-2023-21839-metasploit-scannerhttps://github.com/Romanc9/Gui-poc-test

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High