CVE-2007-3775 in Unified Communications Manager
Summary
by MITRE
Unspecified vulnerability in Cisco Unified Communications Manager (CUCM, formerly CallManager) and Unified Presence Server (CUPS) allows remote attackers to cause a denial of service (loss of cluster services) via unspecified vectors, aka (1) CSCsj09859 and (2) CSCsj19985.
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Analysis
by VulDB Data Team • 03/02/2018
The vulnerability identified as CVE-2007-3775 affects Cisco Unified Communications Manager and Unified Presence Server products, representing a critical security flaw that enables remote attackers to disrupt cluster services through unspecified attack vectors. This vulnerability was catalogued under two separate identifiers CSCsj09859 and CSCsj19985, indicating the complexity and multifaceted nature of the underlying issue within Cisco's unified communications infrastructure. The affected systems operate within enterprise communication environments where reliability and continuous service availability are paramount for business operations.
The technical nature of this vulnerability manifests as a remote denial of service condition that can result in complete loss of cluster services across the affected Cisco unified communications platforms. While the specific technical mechanisms remain unspecified in the public CVE description, such vulnerabilities typically exploit weaknesses in protocol handling, resource management, or service response mechanisms within the communication stack. The unspecified vectors suggest that attackers could potentially leverage multiple attack surfaces including network protocols, application interfaces, or system resource management components that govern how the unified communications manager processes incoming requests and maintains cluster integrity.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire unified communications infrastructure within an enterprise environment. When cluster services are lost, organizations face complete communication breakdowns affecting voice, video, and messaging capabilities across their network. This vulnerability particularly threatens business continuity since unified communications platforms typically serve as critical infrastructure components supporting core business operations. The remote nature of the attack means that adversaries can exploit this weakness from external network positions without requiring physical access or local network presence, making it especially dangerous for organizations with limited network segmentation controls.
Organizations should implement immediate mitigations including network segmentation to isolate unified communications infrastructure, deployment of intrusion detection systems to monitor for exploitation attempts, and application of available vendor patches once released. The vulnerability aligns with common attack patterns documented in the attack framework where remote denial of service conditions represent significant threats to availability and operational resilience. Security teams must also consider implementing monitoring protocols to detect abnormal service behavior that might indicate exploitation attempts. Given the critical nature of unified communications platforms, organizations should conduct comprehensive risk assessments to identify all instances of affected systems and establish incident response procedures specifically tailored to handle cluster service disruptions. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing robust network monitoring solutions to protect against remote exploitation of critical infrastructure components.