CVE-2023-22086 in WebLogic Server
Summary
by MITRE • 10/25/2023
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 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).
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Analysis
by VulDB Data Team • 09/14/2024
The CVE-2023-22086 vulnerability represents a critical security flaw in Oracle WebLogic Server affecting versions 12.2.1.4.0 and 14.1.1.0.0 within the Core component of Oracle Fusion Middleware. This vulnerability operates at the network level and specifically targets the T3 and IIOP protocols that are fundamental communication mechanisms within the WebLogic ecosystem. The flaw allows for unauthenticated exploitation, meaning that attackers do not require valid credentials to initiate malicious activities against vulnerable systems. The CVSS score of 7.5 indicates a high-severity threat with significant confidentiality impact, as demonstrated by the vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N which emphasizes the ease of exploitation and the potential for complete data compromise without requiring user interaction or privilege escalation.
This vulnerability stems from insufficient authentication mechanisms within the WebLogic Server's communication protocols, creating an attack surface that enables remote code execution and unauthorized data access. The T3 protocol, which is used for remote administration and management of WebLogic servers, and the IIOP protocol, which supports interoperable object request brokers, both present opportunities for exploitation when properly configured. The vulnerability allows attackers to establish connections and potentially gain access to sensitive data stored within the WebLogic environment, including application data, user credentials, and system configurations. According to CWE classification, this vulnerability aligns with CWE-287 which addresses improper authentication issues in software systems, while the ATT&CK framework would categorize this under T1190 - Exploit Public-Facing Application and T1071.004 - Application Layer Protocol: DNS, with potential for lateral movement and privilege escalation once initial access is achieved.
The operational impact of CVE-2023-22086 extends beyond immediate data compromise to encompass broader system integrity and availability concerns. Organizations running affected WebLogic Server versions face potential exposure to data breaches, intellectual property theft, and disruption of critical business applications that depend on these middleware services. The vulnerability's easily exploitable nature means that automated scanning tools can quickly identify and target vulnerable systems, amplifying the threat landscape. Security teams must consider the potential for cascading effects when WebLogic servers are part of larger enterprise architectures, as compromised servers can serve as launch points for attacks on downstream systems. The confidentiality impact rating of high severity indicates that attackers can potentially access all data accessible through the compromised WebLogic server, including sensitive business information, customer data, and internal communications that organizations rely on for operational continuity.
Organizations should implement immediate mitigations including network segmentation to restrict access to WebLogic Server ports, particularly those associated with T3 and IIOP protocols, and ensure that only authorized networks can communicate with these services. Disabling unnecessary protocols and implementing strict firewall rules can significantly reduce the attack surface. Regular security assessments and vulnerability scanning should be conducted to identify any remaining exposure points, while monitoring for unusual network traffic patterns can help detect exploitation attempts. Patch management processes must be prioritized to ensure timely deployment of Oracle's security patches, as the vulnerability affects multiple supported versions requiring coordinated remediation efforts. Additionally, implementing network intrusion detection systems and configuring logging to capture authentication attempts and communication patterns can provide early warning capabilities. The ATT&CK framework suggests that organizations should also consider implementing behavioral analytics to detect anomalous access patterns that might indicate exploitation attempts, while maintaining detailed audit trails to support forensic investigations should compromise occur.