CVE-2026-20063 MEDIUM

CVE-2026-20063: Cisco Secure FTD Software Authenticated Command Injection Vulnerability

Vendor Cisco
Product Cisco Secure Firewall Threat Defense (FTD) Software
Weakness CWE-88
Published March 4, 2026
Last update March 5, 2026

CVSS base score

6.0/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:X/RL:X/RC:X

What the vulnerability does

01Description

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. To exploit this vulnerability, the attacker must have valid administrative credentials on an affected device. 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. A successful exploit could allow the attacker to execute commands on the underlying operating system as root.

Key dates

02Disclosure timeline

March 4, 2026 CVE published
March 5, 2026 Record updated