CVE-2020-3589 : Exploit Details and Defense Strategies

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack.

Understanding CVE-2020-3589

This CVE involves a cross-site scripting vulnerability in Cisco Identity Services Engine (ISE) Software.

What is CVE-2020-3589?

The vulnerability in the web-based management interface of Cisco ISE Software enables an attacker with administrative credentials to execute a cross-site scripting attack by injecting malicious code.

The Impact of CVE-2020-3589

The vulnerability could permit an attacker to run arbitrary script code within the interface context or access sensitive browser-based information.

Technical Details of CVE-2020-3589

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw arises from inadequate validation of user-supplied input in the web-based management interface of Cisco ISE Software.

Affected Systems and Versions

Product: Cisco Identity Services Engine Software
Vendor: Cisco
Affected Version: Not applicable

Exploitation Mechanism

An authenticated attacker with administrative credentials can inject malicious code into specific interface pages.

Mitigation and Prevention

Protective measures to address the CVE.

Immediate Steps to Take

Ensure administrative credentials are secure and not easily compromised.
Regularly monitor and audit the web-based management interface for unauthorized changes.

Long-Term Security Practices

Implement input validation mechanisms to prevent XSS attacks.
Educate users on safe browsing practices to mitigate the risk of executing malicious scripts.

Patching and Updates

Apply security patches provided by Cisco to address the vulnerability.