CVE-2020-3553 : Security Advisory and Response

Cisco Firepower Management Center Software Cross-Site Scripting Vulnerabilities

Understanding CVE-2020-3553

This CVE involves multiple vulnerabilities in the web-based management interface of Cisco Firepower Management Center (FMC) Software, potentially allowing remote attackers to conduct cross-site scripting attacks.

What is CVE-2020-3553?

The vulnerabilities in Cisco FMC Software stem from inadequate validation of user-supplied input in the web-based management interface. Attackers could exploit these flaws by tricking users into clicking malicious links, enabling them to execute arbitrary script code or access sensitive information.

The Impact of CVE-2020-3553

The vulnerabilities could be exploited by unauthenticated remote attackers to perform cross-site scripting attacks, posing a risk of executing arbitrary script code within the interface or accessing confidential browser-based data.

Technical Details of CVE-2020-3553

Vulnerability Description

The vulnerability allows for cross-site scripting attacks due to insufficient input validation in the web-based management interface of Cisco FMC Software.

Affected Systems and Versions

Product: Cisco Firepower Management Center
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Scope: Changed
CVSS Score: 4.8 (Medium Severity)

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Educate users about the risks of clicking on unknown or suspicious links.

Long-Term Security Practices

Regularly monitor and update security configurations.
Conduct security awareness training for employees to prevent social engineering attacks.

Patching and Updates

Regularly check for security advisories and updates from Cisco.