CVE-2015-6374: The web interface in Cisco Firepower Extensible Operating System 1.1(1.160) on Firepower 9000 devices does...

Security readout for executives and security teams

CVE-2015-6374 affects the web interface of Cisco Firepower Extensible Operating System 1.1(1.160) on Firepower 9000 devices. The interface did not properly restrict IFRAME use, making clickjacking and unspecified related attacks easier through a crafted website. No active exploitation is reported in the provided sources. Exposure is most likely where Cisco Firepower 9000 devices run FXOS 1.1(1.160) and administrators use the web interface from browsers that can reach untrusted websites. Treat this as a targeted administrative-interface hardening issue, not an internet-scale emergency based on provided evidence. Prioritize affected asset discovery, management access restriction, and Cisco-guided remediation. Mitigation focus: Check Cisco advisory cisco-sa-20151117-firepower4 for fixed software or workarounds.; Identify any Firepower 9000 devices running FXOS 1.1(1.160).; Restrict management web interface access to trusted administrative networks..

Prepared

Jun 13, 2026, 21:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.