CVE-2015-6374: Cisco Firepower Extensible Operating System

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

The web interface in Cisco Firepower Extensible Operating System 1.1(1.160) on Firepower 9000 devices does not properly restrict use of IFRAME elements, which makes it easier for remote attackers to conduct clickjacking attacks and unspecified other attacks via a crafted web site, aka Bug ID CSCux10604.

Affected products

• Cisco Firepower Extensible Operating System: version 1.1(1.160) only

Published 2015-11-19. Last modified 2026-06-17.