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CVE-2025-30762: Unauthenticated Access Vulnerability in Oracle WebLogic Server

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Overview

CVE-2025-30762 refers to a significant vulnerability found in the Oracle WebLogic Server product of Oracle Fusion Middleware. This vulnerability can be easily exploited by an unauthenticated attacker with network access via T3, IIOP. Successful exploitation could lead to unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. This risk is particularly pertinent to organizations using affected versions of Oracle WebLogic Server, as it could result in system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-30762
Severity: High – CVSS 3.1 Base Score 7.5
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data

Affected Products

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Product | Affected Versions

Oracle WebLogic Server | 12.2.1.4.0
Oracle WebLogic Server | 14.1.1.0.0
Oracle WebLogic Server | 14.1.2.0.0

How the Exploit Works

The vulnerability exists due to insufficient access restriction within Oracle WebLogic Server. An unauthenticated attacker can exploit this weakness by sending a specially crafted request over the T3 or IIOP protocol to the affected server. Upon successful exploitation, the attacker could gain unauthorized access to critical data or potentially all data accessible by the Oracle WebLogic Server.

Conceptual Example Code

While exact methods may vary according to each attacker’s approach, the conceptual example below highlights a possible exploitation method:

POST /OracleWebLogic/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "exploit_code": "..." }

In this example, the attacker sends a POST request with a malicious JSON payload to a vulnerable endpoint on the Oracle WebLogic Server, potentially gaining unauthorized access to critical data.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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