: A veteran mass-scanning and fingerprinting tool used to identify and exploit various Cisco devices, including those running CUCM services. Critical Vulnerabilities Often Discussed trustedsec/SeeYouCM-Thief · GitHub
CUCM utilizes an Informix database to store user extensions, device profiles, and hashed passwords. GitHub toolkits designed for Cisco database auditing allow attackers who have obtained low-level AXL API credentials to execute arbitrary SQL queries:
This Python-based repository provides scripts to exploit an authenticated SQL injection vulnerability (CVE-2019-15972) in Cisco Unified Call Manager. The scripts first enumerate all tables on the underlying database and then extract the contents of each table. The vulnerability was documented by F‑Secure, which highlighted how the Informix database used by CUCM could be targeted through specially crafted SQL queries. This repository serves as both a learning resource for security researchers and a ready‑to‑use tool for attackers.
CVE‑2019‑15972 is an authenticated SQL injection vulnerability in Cisco Unified Call Manager. While it requires prior authentication, it can be extremely damaging when combined with low‑privilege credentials, as it allows an attacker to enumerate database tables and extract their entire contents. The vulnerability was documented by F‑Secure, and the GitHub repository provides two Python scripts ( sql_injection_enumerate_tables.py and sql_injection_extract_table.py ) that automate the exploitation process. Access to the underlying database can expose user credentials, phone configuration details, and other sensitive data.
: A technical Gist detailing commands for disabling specific services like the Smart License Manager (SLM) and preventing system registrations. View the Gist: Cisco CUCM hacking - GitHub Gist . Cisco CUCM hacking -- GitHub
: Tools like Cisco Global Exploiter (CGE) bundle multiple Cisco-targeted exploits, and the Viproy VoIP Testing Kit integrates with the Metasploit Framework, providing ready-made modules for testing and exploiting CUCM's telephony interfaces.
Repositories containing tools like UcSniff or specialized Wireshark wrappers allow attackers to intercept unencrypted RTP (Real-time Transport Protocol) audio streams. If the voice network does not strictly enforce Secure RTP (SRTP), an attacker can reconstruct full audio conversations from captured PCAP files. 4. Defending and Securing CUCM Environments
I can provide tailored hardening commands or configuration steps based on your current infrastructure state. Share public link
Simple Python scripts utilize specific HTTP response headers or unique URI paths (like /ccmadmin/ ) to extract the exact CUCM version without authentication. : A veteran mass-scanning and fingerprinting tool used
While GitHub hosts many repositories, some focus specifically on IP telephony and CUCM security:
# Conceptual example of an AXL SQL query script found in security repos import requests url = "https:// :8443/axl/" headers = 'Content-Type': 'text/xml', 'SOAPAction': '"CUCM:DB:executeSQLQuery"' payload = """ select userid, password from enduser """ response = requests.post(url, data=payload, headers=headers, auth=('user', 'pass'), verify=False) print(response.text) Use code with caution.
CUCM relies heavily on an IBM Informix database. Flaws within the web interfaces or AXL API endpoints have occasionally allowed SQL injection. Attackers use these flaws to extract application database tables, which contain user hashes, device credentials, and speed-dial configurations. 3. Finding CUCM Security Tools on GitHub
An attacker with administrative access or root OS access can leverage built-in CUCM features like Built-in Bridge (BIB) or Silent Monitoring. While intended for call center quality assurance, malicious actors use these features to silently record or listen to sensitive corporate conversations without the knowledge of the participants. Lateral Movement The scripts first enumerate all tables on the
Cisco Unified Communications Manager (CUCM) is a popular call processing and routing system used by businesses to manage their voice and video communications. While CUCM is designed to be a secure and reliable platform, like any complex system, it can be vulnerable to hacking attempts.
Before any exploitation occurs, attackers use GitHub-sourced tools to map out Cisco telephony infrastructure. CUCM environments often expose web interfaces, Session Initiation Protocol (SIP) ports, and administrative services that leak version information. Footprinting via Shodan and Censys Python Frameworks
GitHub repositories serve as a double‑edged sword: they enable rapid sharing of security research but also provide ready‑to‑use exploits for attackers. Organizations such as F‑Secure, TrustedSec, and independent researchers regularly publish detailed advisories and PoC code on GitHub. For example, F‑Secure’s blog post “Uncommon SQL Database Alert: Informix SQL Injection” was accompanied by the GitHub repository for CVE‑2019‑15972, providing transparency and allowing defenders to test their systems.