CVE-2026-20063

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. 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.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.6.0affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.7.0affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.6.1affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.6.2affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.7.10affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.6.2.1affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.7.10.1affected

Weaknesses

  • CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References