#VU123684 Improper Neutralization of Argument Delimiters in a Command in Cisco Firewall Threat Defense (FTD) - CVE-2026-20063

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Main Vulnerability Database Vulnerabilities #VU123684

#VU123684 Improper Neutralization of Argument Delimiters in a Command in Cisco Firewall Threat Defense (FTD) - CVE-2026-20063

Published: March 10, 2026


Vulnerability identifier: #VU123684
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20063
CWE-ID: CWE-88
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Firewall Threat Defense (FTD)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation in certain CLI commands. A local privileged user can supply specially crafted arguments for specific CLI commands and execute arbitrary code as root.


Remediation

Install updates from vendor's website.

External links