CVE-2007-2701 in WebLogic Server
Summary
by MITRE
The JMS Message Bridge in BEA WebLogic Server 7.0 through SP7 and 8.1 through Service Pack 6, when configured without a username and password, or when the connection URL is not defined, allows remote attackers to bypass the security access policy and "send unauthorized messages to a protected queue."
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Analysis
by VulDB Data Team • 06/14/2025
The vulnerability identified as CVE-2007-2701 represents a critical security flaw in BEA WebLogic Server's JMS Message Bridge functionality. This issue affects versions 7.0 through SP7 and 8.1 through Service Pack 6, where the message bridge component fails to properly enforce authentication and authorization controls under specific configuration scenarios. The vulnerability stems from insufficient security validation mechanisms that permit unauthorized access to protected messaging queues when the server operates without proper credential validation or when connection URLs are improperly defined. The flaw specifically manifests when the JMS Message Bridge is configured with default or minimal security settings, creating an exploitable condition that bypasses established access control policies.
The technical implementation of this vulnerability resides in the message bridge's authentication handling mechanism, which operates under the assumption that certain security parameters will always be properly configured. When no username and password are explicitly defined for the bridge connection, or when the connection URL remains undefined, the system defaults to a permissive security model that does not adequately verify the identity of message senders. This configuration issue directly violates security principle of least privilege and creates an attack surface that allows remote adversaries to inject unauthorized messages into protected queues. The vulnerability can be categorized under CWE-284, which addresses improper access control, and specifically aligns with ATT&CK technique T1190 for exploitation of remote services through message queuing systems.
The operational impact of this vulnerability extends beyond simple unauthorized message delivery, as it fundamentally compromises the integrity and confidentiality of message-based communications within the WebLogic Server environment. Attackers can leverage this weakness to inject malicious payloads, manipulate queue contents, or potentially escalate their privileges within the messaging infrastructure. The vulnerability is particularly dangerous because it operates silently, allowing unauthorized access without explicit authentication requirements, making detection and attribution challenging for security monitoring systems. Organizations utilizing WebLogic Server in production environments face significant risk of data leakage, message tampering, and potential system compromise when this vulnerability remains unaddressed. The security implications are further exacerbated by the fact that this vulnerability can be exploited remotely without requiring prior authentication or system access, making it a high-severity threat that requires immediate attention.
Mitigation strategies for CVE-2007-2701 require immediate configuration hardening of WebLogic Server instances to enforce proper authentication mechanisms for JMS Message Bridge components. Organizations should ensure that all message bridge configurations include explicit username and password credentials, with connection URLs properly defined and validated. The implementation of strong authentication policies, including the use of secure connection protocols and certificate-based authentication, provides additional layers of protection against unauthorized access attempts. Security administrators should also implement comprehensive monitoring of message queue activities to detect anomalous message patterns that could indicate exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify any remaining instances of the vulnerable configuration. Additionally, applying the appropriate service packs and security patches from Oracle addresses the root cause of this vulnerability, as the issue was resolved through official updates that enforced proper authentication validation for JMS Message Bridge components. The mitigation approach aligns with ATT&CK tactics related to privilege escalation and persistence by ensuring that only authorized entities can interact with protected messaging resources.