Cisco Cucm Hacking -- Github May 2026

| Vulnerability | CVE | Impact | |--------------|-----|--------| | SQL Injection in User Web Dialer | CVE-2020-3288 | Authentication bypass | | XXE in CDP service | CVE-2019-15975 | File read | | Hardcoded credentials | CVE-2018-0322 | Root access | | AXL API exposure | - | Provisioning abuse |

Repository example: CUCM-RCE-exploit

Once inside, attackers need persistence. GitHub hosts multiple Metasploit modules and standalone Python scripts that exploit known CVEs (e.g., CVE-2020-3323, CVE-2021-34770) to gain root shells.

If you are a Cisco UC engineer or a SOC analyst, you cannot rely solely on signatures. You must adopt a zero-trust mindset. Cisco CUCM hacking -- GitHub

Repository examples: cucm-creds, AXL-SQL-injection

CUCM uses an API called AXL (Administrative XML Layer). Many old versions (12.x and below) are vulnerable to SQL injection or weak SOAP authentication.

Repository example: cucm-tftp-harvest

CUCM stores phone configuration files (XML) on a TFTP server. These files often contain Line Group passwords, VoIP VLAN IDs, and sometimes shared secrets.

In the world of enterprise communications, Cisco Unified Communications Manager (CUCM) remains the undisputed giant. It is the brain behind VoIP, video conferencing, and instant messaging for thousands of Fortune 500 companies and government agencies. However, where there is complexity, there are vulnerabilities.

The phrase “Cisco CUCM hacking -- GitHub” has become a trending search query among red teamers and malicious actors alike. GitHub, the world’s largest source of open-source code, has become a double-edged sword. On one side, it hosts legitimate penetration testing tools; on the other, it holds scripts that can be weaponized to dump user hashes, exploit SSRF flaws, or gain root access on a CUCM publisher. If you are a Cisco UC engineer or

This article explores the ecosystem of CUCM hacking tools available on GitHub, the common attack vectors, and—most importantly—how to defend against them.

Here is a timeline of CUCM vulnerabilities that had active GitHub repositories within days of disclosure.

| CVE ID | Description | GitHub Exploit Available | Impact | |--------|-------------|--------------------------|--------| | CVE-2023-20200 | Unauthorized access to AXL API | Yes (Proof of concept) | Full admin read/write | | CVE-2021-34770 | SQL injection in the risport.cgi | Yes (Metasploit module) | User hash dump | | CVE-2019-16057 | Path traversal in Tomcat | Yes (Python script) | Arbitrary file read | | CVE-2018-0452 | Command injection in CDP service | Yes (Perl exploit) | Remote root shell | VoIP VLAN IDs

Note: Many of these repos are labeled “educational” but contain fully weaponized code.