CVE-2024-21182 in WebLogic Server
Summary
by MITRE • 07/17/2024
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 • 06/02/2026
The vulnerability identified as CVE-2024-21182 represents a critical security flaw within Oracle WebLogic Server Fusion Middleware, specifically affecting the Core component. This vulnerability impacts two major version lines including 12.2.1.4.0 and 14.1.1.0.0, which are widely deployed in enterprise environments for application hosting and middleware services. The flaw exists in the server's communication protocols and authentication mechanisms, creating a significant entry point for malicious actors seeking to compromise these critical infrastructure components. The vulnerability's classification as easily exploitable indicates that attackers require minimal technical expertise or resources to leverage this weakness effectively.
The technical nature of this vulnerability stems from insufficient authentication controls within the T3 and IIOP communication protocols that WebLogic Server utilizes for internal and external communications. T3 protocol is Oracle's proprietary protocol for WebLogic Server communication while IIOP (Internet Inter-ORB Protocol) enables distributed object communication across different platforms. Attackers can exploit this weakness by establishing network connections to the vulnerable server ports without requiring any authentication credentials, directly compromising the server's security posture. The vulnerability allows unauthorized access to critical data repositories and potentially full control over the affected server environment, making it particularly dangerous for organizations relying on WebLogic for mission-critical applications.
The operational impact of CVE-2024-21182 extends beyond simple data theft, encompassing complete system compromise and potential lateral movement within enterprise networks. Once an attacker successfully exploits this vulnerability, they can access all data accessible through the compromised WebLogic Server, including sensitive business information, user credentials, and application data. This unauthorized access capability represents a significant threat to organizational security, as WebLogic Servers often serve as central points for enterprise application hosting and data processing. The vulnerability's CVSS score of 7.5 indicates high severity with confidentiality impacts, suggesting that the primary threat vector involves data exfiltration rather than system disruption. Organizations utilizing these vulnerable versions face potential regulatory compliance violations and substantial financial losses from data breaches.
Mitigation strategies for CVE-2024-21182 should prioritize immediate patch deployment from Oracle, as the vulnerability affects supported versions that require active maintenance. Organizations should implement network segmentation to restrict access to WebLogic Server ports, particularly those associated with T3 and IIOP protocols, while disabling unnecessary communication channels. The ATT&CK framework's technique T1071.004 for application layer protocol usage should be considered when developing network monitoring rules to detect suspicious communications patterns. Additionally, implementing network intrusion detection systems with signatures for known T3 and IIOP exploitation patterns can help identify potential attacks. Organizations should also conduct comprehensive security assessments to identify all instances of affected WebLogic Server versions and ensure proper firewall configurations are in place to prevent unauthorized network access. The CWE database categorizes similar vulnerabilities under CWE-287 for improper authentication, making this a critical priority for security teams to address immediately through patch management and network security hardening procedures.