Vulnerability in Oracle WebLogic Server Affects Fusion Middleware

CVE-2025-21535

What is CVE-2025-21535?

CVE-2025-21535 is a critical vulnerability found in Oracle WebLogic Server, which is a part of Oracle's Fusion Middleware suite. This software is primarily used for building and deploying enterprise applications. The vulnerability allows unauthenticated attackers with network access to compromise the WebLogic Server, posing a significant risk to organizations that rely on this technology. If exploited, attackers could gain complete control over the server, leading to severe operational disruptions and data integrity issues.

Technical Details

The vulnerability is categorized under the Core component of Oracle WebLogic Server and affects specific supported versions: 12.2.1.4.0 and 14.1.1.0.0. It can be easily exploited via network protocols such as T3 and IIOP, requiring no prior authentication. The vulnerability has a CVSS 3.1 Base Score of 9.8, indicating its high severity, with the potential to compromise Confidentiality, Integrity, and Availability (CIA) of affected systems.

Potential Impact of CVE-2025-21535

1. Complete Server Takeover: Successful exploitation can enable attackers to gain full control of the WebLogic Server, leading to unauthorized access to sensitive data and critical applications.

2. Severe Operational Disruption: An attacker could disrupt business operations by manipulating or shutting down essential services, which may result in significant downtime and lost revenue.

3. Data Breaches: Given the vulnerability’s potential to impact data confidentiality and integrity, sensitive information could be exposed or altered, leading to potential regulatory consequences and reputational damage.

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