SB2026031047 - Privilege escalation in Cisco ASA and Cisco FTD



SB2026031047 - Privilege escalation in Cisco ASA and Cisco FTD

Published: March 10, 2026

Security Bulletin ID SB2026031047
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2026-20016)

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

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


Remediation

Install update from vendor's website.