CVE-2019-12699: Cisco Firepower 9300 Firmware

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Multiple vulnerabilities in the CLI of Cisco FXOS Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute commands on the underlying operating system (OS) with root privileges. These vulnerabilities are due to insufficient input validation. An attacker could exploit these vulnerabilities by including crafted arguments to specific CLI commands. A successful exploit could allow the attacker to execute commands on the underlying OS with root privileges.

Affected products

• Cisco Firepower 9300 Firmware: version 2.4(1.214) only; version 2.4(1.216) only; version 2.4(2.54) only; version r241 only
• Cisco Firepower Extensible Operating System: from 2.0, before 2.2.2.101 (fixed in 2.2.2.101); from 2.3, before 2.3.1.155 (fixed in 2.3.1.155); from 2.4, before 2.4.1.238 (fixed in 2.4.1.238)
• Cisco Secure Firewall Threat Defense: up to and including 6.1.0; from 6.2.0, before 6.2.3.14 (fixed in 6.2.3.14); from 6.3.0, before 6.3.0.3 (fixed in 6.3.0.3)

Published 2019-10-02. Last modified 2026-08-11.