CVE-2019-12627: Cisco Secure Firewall Threat Defense

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

A vulnerability in the application policy configuration of the Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data. The vulnerability is due to insufficient application identification. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain unauthorized read access to sensitive data.

Affected products

• Cisco Secure Firewall Threat Defense: before 6.4.0.4 (fixed in 6.4.0.4)

Published 2019-08-21. Last modified 2026-08-11.