CVE-2019-1671: Cisco Secure Firewall Management Center

Medium severity, CVSS 6.1. EPSS: 1.2% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected system. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected system. An attacker could exploit this vulnerability by persuading a user of the interface to click a maliciously crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Affected products

• Cisco Secure Firewall Management Center: version 6.0.0 only; version 6.1.0 only; version 6.2.0 only; version 6.2.3 only; version 6.2.3.6 only; version 6.3.0 only; …

Published 2019-02-07. Last modified 2026-06-17.