CVE-2004-1322 in Guard
Summary
by MITRE
Cisco Unity 2.x, 3.x, and 4.x, when integrated with Microsoft Exchange, has several hard coded usernames and passwords, which allows remote attackers to gain unauthorized access and change configuration settings or read outgoing or incoming e-mail messages.
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Analysis
by VulDB Data Team • 06/30/2019
Cisco Unity versions 2.x through 4.x that integrate with Microsoft Exchange contain multiple instances of hardcoded authentication credentials within their configuration files and code repositories. This vulnerability stems from poor security practices during development where developers embedded default usernames and passwords directly into the application binaries rather than implementing proper credential management or dynamic authentication mechanisms. The hardcoded credentials exist at multiple levels including database connection strings, service account configurations, and administrative access points that are accessible through the integrated Exchange environment.
The technical implementation of this vulnerability allows remote attackers to exploit the hardcoded credentials without requiring any additional authentication factors or privileged access. Attackers can leverage these embedded credentials to establish unauthorized connections to the Cisco Unity system and subsequently gain access to the underlying Microsoft Exchange infrastructure. This creates a direct pathway for malicious actors to manipulate system configurations, intercept email communications, and potentially escalate their privileges within the integrated messaging environment. The vulnerability specifically affects the integration points between Cisco Unity and Exchange servers, where the hardcoded credentials are used for establishing secure communication channels and administrative functions.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass complete compromise of the integrated messaging infrastructure. Remote attackers can read both incoming and outgoing email messages, modify system configurations, and potentially establish persistent access points within the network. This vulnerability represents a critical security weakness that directly violates multiple security principles including the principle of least privilege and secure credential management. The exposure of hardcoded credentials creates a persistent threat vector that remains active regardless of network segmentation or additional security controls, as these credentials are embedded within the application itself. This vulnerability also enables attackers to perform reconnaissance activities by accessing system configurations and identifying other potential targets within the integrated environment.
Organizations should immediately implement comprehensive credential management practices including the removal of hardcoded credentials from application code, implementation of dynamic credential provisioning systems, and regular security audits of application configurations. The remediation process requires complete replacement of hardcoded credentials with secure authentication mechanisms such as integrated Windows authentication, secure credential stores, or token-based authentication systems. Additionally, network segmentation strategies should be implemented to limit access to critical systems and regular security assessments should be conducted to identify and remediate similar hardcoded credential vulnerabilities. This vulnerability aligns with CWE-798 which specifically addresses the use of hardcoded credentials and represents a fundamental flaw in application security design that requires immediate attention and comprehensive remediation efforts. The attack surface for this vulnerability can be mapped to ATT&CK technique T1078 which covers valid accounts and T1566 which covers credential access through compromised credentials, making it a significant threat vector that requires immediate mitigation strategies.