TL;DR 📌

A critical vulnerability has been identified in the Cisco Secure Firewall Management Center (FMC) Software that allows unauthenticated remote code execution via the RADIUS subsystem. This vulnerability has a CVSS score of 10.0, indicating a severe risk. Immediate action is required to patch affected systems.

What happened 🕵️‍♂️

A vulnerability in the RADIUS subsystem of Cisco Secure FMC Software could allow an unauthenticated, remote attacker to execute arbitrary shell commands on the device. This issue arises from improper handling of user input during the authentication phase. Exploitation requires that RADIUS authentication is configured for the web-based management interface, SSH management, or both.