Product:
Cisco Secure FTD Software
Summary
A vulnerability in the CLI of Cisco Secure FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as root. This vulnerability is due to insufficient input validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input for a specific CLI command.
Details
| Severity | Base Score | CVE |
|---|---|---|
| MEDIUM | 6 | CVE-2026-20017 |
Exploitation
To exploit this vulnerability, an attacker must have valid administrative credentials on an affected device. By submitting specially crafted input for a specific CLI command, the attacker can bypass input validation and execute arbitrary commands on the underlying operating system with root privileges.
Affected Products
- Cisco Secure FTD Software: Vulnerable due to insufficient input validation in the CLI, allowing command execution as root.
Mitigation
To mitigate this vulnerability, ensure that only trusted users have administrative access to the affected devices. Regularly update the software to the latest version and apply any security patches provided by Cisco.