SB2026031053 - Multiple privilege escalation vulnerabilities in Cisco Secure Firewall Threat Defense

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Main Vulnerability Database SB2026031053

SB2026031053 - Multiple privilege escalation vulnerabilities in Cisco Secure Firewall Threat Defense

Published: March 10, 2026

Security Bulletin ID SB2026031053
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2026-20017)

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.


2) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2026-20063)

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.


3) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2026-20064)

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to improper validation of the user-supplied input for a specific CLI command. A local user can pass specially crafted arguments to a CLI command and perform a denial of service attack. 


Remediation

Install update from vendor's website.

References