CVE-2020-3313 : Security Advisory and Response

A vulnerability in the web UI of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack.

Understanding CVE-2020-3313

This CVE involves a security vulnerability in Cisco Firepower Management Center (FMC) Software that could be exploited by an attacker to execute arbitrary script code.

What is CVE-2020-3313?

The vulnerability in the web UI of Cisco FMC Software allows an attacker to perform a cross-site scripting (XSS) attack by manipulating user input validation.

The Impact of CVE-2020-3313

An unauthenticated attacker can execute arbitrary script code in the context of the FMC Software interface.
Sensitive browser-based information can be accessed through a successful exploit.

Technical Details of CVE-2020-3313

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Insufficient validation of user-supplied input in the web UI of Cisco FMC Software.

Affected Systems and Versions

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

Exploitation Mechanism

Attacker persuades a user to click a crafted link to exploit the vulnerability.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-3313 vulnerability.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Educate users about phishing techniques to prevent exploitation.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement network security measures to detect and prevent XSS attacks.

Patching and Updates

Check for security advisories from Cisco and apply recommended patches.