CVE-2020-14588 in WebLogic Server
Summary
by MITRE
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 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 HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data as well as unauthorized read access to a subset of Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N).
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Analysis
by VulDB Data Team • 11/01/2020
The vulnerability identified as CVE-2020-14588 represents a critical security flaw within Oracle WebLogic Server's Web Container component, specifically affecting multiple supported versions including 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. This weakness falls under the Common Weakness Enumeration category CWE-284, which addresses improper access control mechanisms, making it particularly dangerous as it allows attackers to bypass authentication requirements entirely. The vulnerability's classification as easily exploitable indicates that attackers can leverage this flaw without requiring specialized skills or extensive preparation, significantly amplifying its potential impact on organizations that rely on WebLogic Server for their enterprise applications.
The technical nature of this vulnerability stems from insufficient authentication checks within the Web Container, enabling unauthenticated attackers to establish network connections via HTTP protocols and subsequently compromise the affected Oracle WebLogic Server instances. This flaw operates at the application layer, where the server fails to properly validate incoming requests, allowing malicious actors to perform unauthorized operations against the system. The CVSS 3.1 scoring of 8.2 reflects the severity of this weakness, with a base score that indicates high impact across confidentiality, integrity, and availability metrics, though the specific vector shows that the attack requires network access with low complexity and no privileges. The vulnerability's potential to allow unauthorized data modification, deletion, and creation operations, combined with read access to sensitive information, creates a comprehensive threat that can compromise entire enterprise data repositories.
The operational impact of CVE-2020-14588 extends beyond simple data theft, as it provides attackers with the capability to fundamentally alter the operational state of affected systems. Organizations running vulnerable WebLogic Server instances face risks including unauthorized data manipulation that could disrupt business processes, loss of critical business information, and potential financial losses due to compromised data integrity. The vulnerability's ability to grant access to all Oracle WebLogic Server accessible data creates a significant risk for enterprises that store sensitive information within these platforms, potentially exposing intellectual property, customer data, and financial records. Furthermore, the lack of user interaction requirements means that attacks can be automated and deployed at scale without requiring user cooperation, making the threat particularly dangerous for large enterprise environments where WebLogic servers often serve as core infrastructure components.
Organizations should implement immediate mitigations including applying the relevant Oracle Critical Patch Update (CPU) patches that address this vulnerability, as well as implementing network-level controls such as firewalls and access control lists to restrict access to WebLogic Server ports and services. The implementation of intrusion detection systems and continuous monitoring of network traffic can help identify potential exploitation attempts. Security teams should also conduct comprehensive vulnerability assessments to identify all instances of affected WebLogic Server versions within their environments, and consider implementing additional authentication mechanisms and least privilege access controls to reduce the potential impact of successful exploitation attempts. The vulnerability's classification under the ATT&CK framework's privilege escalation and defense evasion techniques underscores the need for layered security approaches that can detect and prevent unauthorized access attempts at multiple points within the network infrastructure.