CVE-2020-3410 : What You Need to Know

A vulnerability in the Common Access Card (CAC) authentication feature of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to bypass authentication and access the FMC system. The attacker must have a valid CAC to initiate the access attempt. The vulnerability is due to incorrect session invalidation during CAC authentication. An attacker could exploit this vulnerability by performing a CAC-based authentication attempt to an affected system. A successful exploit could allow the attacker to access an affected system with the privileges of a CAC-authenticated user who is currently logged in.

Understanding CVE-2020-3410

This CVE involves a critical vulnerability in Cisco Firepower Management Center Software that could lead to unauthorized access.

What is CVE-2020-3410?

The vulnerability in Cisco Firepower Management Center (FMC) Software allows an unauthenticated remote attacker to bypass authentication using the Common Access Card (CAC) feature, potentially gaining unauthorized access to the system.

The Impact of CVE-2020-3410

The vulnerability poses a high risk as it could allow attackers to access the affected system with the privileges of a CAC-authenticated user, compromising confidentiality, integrity, and availability.

Technical Details of CVE-2020-3410

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Cisco Firepower Management Center Software enables attackers to bypass authentication using the CAC feature, leading to unauthorized access.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
CVSS Score: 8.1 (High)
Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigation and Prevention

Protecting systems from this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor Cisco's security advisories for any further updates or recommendations.

Long-Term Security Practices

Implement strong access controls and authentication mechanisms.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Ensure all systems running Cisco Firepower Management Center Software are updated with the latest patches to mitigate the vulnerability.