CVE-2011-1520 in Lotus Domino
Summary
by MITRE
The default configuration of the server console in IBM Lotus Domino does not require a password (aka Server_Console_Password), which allows physically proximate attackers to perform administrative changes or obtain sensitive information via a (1) Load, (2) Tell, or (3) Set Configuration command.
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Analysis
by VulDB Data Team • 01/13/2025
The vulnerability described in CVE-2011-1520 represents a critical security flaw in IBM Lotus Domino server console configuration that stems from inadequate default security settings. This issue affects the server console component of IBM Lotus Domino, a widely used collaboration and messaging platform that serves enterprise organizations globally. The vulnerability specifically targets the default configuration state where the server console lacks mandatory authentication requirements, creating an exploitable condition that can be leveraged by attackers with physical access to the system. The absence of password protection for the server console interface creates a fundamental security weakness that directly violates standard security practices for privileged system access controls. This vulnerability is particularly concerning because it allows attackers to execute administrative commands without proper authentication, effectively providing unauthorized access to critical system functions.
The technical flaw manifests through the server console's default configuration where no password is required to access administrative functions. Attackers with physical proximity to the server can exploit this weakness by utilizing three specific commands: Load, Tell, and Set Configuration. These commands represent core administrative operations that enable attackers to manipulate system behavior, load new modules, retrieve system information, and modify configuration settings. The Load command allows execution of additional code or modules on the server, potentially enabling privilege escalation or malware deployment. The Tell command provides access to system messages and logging information, while the Set Configuration command enables modification of system parameters that can alter security settings or operational behavior. This vulnerability is categorized under CWE-255: Credentials Management Flaws, specifically addressing the absence of proper authentication controls for privileged system interfaces. The flaw represents a classic case of insecure default configuration, where security measures are not properly implemented in the initial setup process.
The operational impact of this vulnerability extends beyond simple unauthorized access, creating significant risks for enterprise environments that rely on IBM Lotus Domino for critical business operations. An attacker with physical access can potentially compromise entire server environments by executing administrative commands that may lead to data breaches, service disruption, or system compromise. The vulnerability's exploitation requires only physical proximity to the server, making it particularly dangerous in shared or unsecured server environments where unauthorized individuals might gain access to system hardware. This weakness can facilitate various attack vectors including information disclosure, unauthorized system modification, and potential privilege escalation within the Domino environment. Organizations using this software may experience unauthorized access to sensitive business data, disruption of collaboration services, and potential compromise of the broader network infrastructure. The impact is further exacerbated by the fact that these administrative commands can be executed silently without requiring additional authentication, making detection difficult and potentially allowing attackers to maintain persistent access to the system.
The security implications of CVE-2011-1520 align with ATT&CK technique T1077: Windows Admin Shares, as it provides unauthorized access to administrative interfaces without requiring network-based authentication. Organizations should implement immediate remediation measures to address this vulnerability by enforcing password protection for the server console interface. The recommended mitigation involves configuring the server console to require authentication before allowing execution of administrative commands, which can be achieved through proper configuration management and security hardening procedures. System administrators should ensure that default configurations are reviewed and modified to enforce strong authentication requirements for all administrative interfaces. The vulnerability also highlights the importance of following security baseline configurations and implementing proper access control measures for privileged system interfaces. Organizations should conduct regular security assessments to identify and remediate similar insecure default configurations that may exist in other system components. This vulnerability serves as a reminder of the critical importance of secure configuration management practices and the potential consequences of inadequate default security settings in enterprise software platforms.