CVE-2019-1671 Explained : Impact and Mitigation

Cisco Firepower Management Center Cross-Site Scripting Vulnerability

Understanding CVE-2019-1671

An issue has been identified in the web-based management interface of Cisco Firepower Management Center (FMC) that could potentially enable an unauthorized external attacker to perform a cross-site scripting (XSS) attack.

What is CVE-2019-1671?

The vulnerability in the web-based management interface of Cisco FMC allows an attacker to execute arbitrary script code or access sensitive information by manipulating a user into clicking on a malicious link.

The Impact of CVE-2019-1671

The vulnerability has a CVSS base score of 6.1, indicating a medium severity issue that requires user interaction to exploit. Successful attacks could lead to the execution of arbitrary script code or access to sensitive information.

Technical Details of CVE-2019-1671

The technical aspects of the vulnerability are as follows:

Vulnerability Description

Lack of proper verification of user-inputted data in the web-based management interface

Affected Systems and Versions

Cisco Firepower Management Center versions 6.0 to 6.4

Exploitation Mechanism

Attacker needs to manipulate a user into clicking on a crafted malicious link

Mitigation and Prevention

Immediate Steps to Take:

Apply vendor-provided patches or updates
Educate users about phishing attacks and suspicious links

Long-Term Security Practices:

Regularly update and patch software
Implement web application firewalls

Patching and Updates:

Refer to Cisco's security advisory for specific patch details