Web server headers unique to Cisco appliances. Port 5060/5061: SIP and SIPS ports used for call signaling.
Cisco provides a comprehensive Security Guide for CUCM. Key hardening measures include:
: Can brute force up to 4,096 MAC variations to find hidden phone configurations User Enumeration
Organizations using CUCM should:
Cisco Unified Communications Manager (CUCM) serves as the backbone of enterprise telephony and IP communications globally. Because it centralizes voice, video, and messaging traffic, it is a high-value target for malicious actors and penetration testers alike. Compromising a CUCM server can grant an attacker access to internal network segments, call logs, voicemail systems, and live conversations.
Executive Summary Cisco Unified Communications Manager (CUCM) serves as the backbone for enterprise voice, video, and messaging networks globally. Because it centralizes communication routing, it is a high-value target for malicious actors looking to intercept data, pivot into internal networks, or execute toll fraud.
While primarily for administrators, these tools are used in security contexts to audit configurations and automate compliance: unified_multi_path_traversal.py - GitHub Cisco CUCM hacking -- GitHub
: Part of the RouterSploit framework, this module exploits path traversal vulnerabilities to read arbitrary files from the CUCM filesystem. Known Critical Vulnerabilities (GitHub Advisories)
are inadvertently saved into phone SSH fields by browser autofill or password managers cucm-exporter (PresidioCode/cucm-exporter)
CUCM-RCE-exploit
: Regular internal and external penetration tests should include VoIP-specific scenarios. Use tools like SIPVicious (part of Viproy) to test for SIP extension enumeration and weak passwords. Automated vulnerability scanners should be configured to check for known CUCM CVEs.
Cisco Unified Communications Manager (CUCM) is a high-value target for security researchers and attackers alike, as it serves as the core "brain" of enterprise voice and collaboration networks. Tools hosted on GitHub often target common misconfigurations or unpatched vulnerabilities to gain unauthorized access. Common Exploitation Techniques
: One of the most prominent tools for attacking CUCM environments. It automates the discovery of IP phones and identifies the associated CUCM server. It exploits a common misconfiguration where phone configuration files containing plaintext SSH/admin credentials are stored on unencrypted TFTP servers. iCULeak.py Web server headers unique to Cisco appliances