CVE-2019-1673 : Security Advisory and Response

Cisco Identity Services Engine (ISE) has a vulnerability in its web-based management interface that could allow an authenticated attacker to conduct a cross-site scripting (XSS) attack.

Understanding CVE-2019-1673

This CVE involves a security flaw in Cisco ISE that could be exploited by a remote attacker to execute malicious scripts.

What is CVE-2019-1673?

The vulnerability in Cisco ISE's web-based management interface allows an authenticated attacker to perform a cross-site scripting (XSS) attack by manipulating certain parameters.

The Impact of CVE-2019-1673

The vulnerability could enable an attacker to execute arbitrary script code within the interface or access sensitive information in the user's web browser.

Technical Details of CVE-2019-1673

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

Vulnerability Description

The flaw exists in the web-based management interface of Cisco ISE
It arises from inadequate input validation of specific parameters

Affected Systems and Versions

Product: Cisco Identity Services Engine Software
Vendor: Cisco
Version: 2.5(0.353)

Exploitation Mechanism

Attacker needs to persuade a user to click on a malicious link
Successful exploitation allows execution of arbitrary script code or access to sensitive information

Mitigation and Prevention

Immediate Steps to Take

Apply patches or updates provided by Cisco
Educate users about phishing attacks and suspicious links

Long-Term Security Practices

Regularly review advisories for Cisco products
Implement security best practices to prevent XSS attacks

Patching and Updates

Refer to the Cisco bug ID for details on fixed software releases
Stay informed about potential risks and upgrade solutions