CVE-2019-1688 : Security Advisory and Response

A vulnerability in the administration web interface of Cisco Network Assurance Engine (NAE) could potentially lead to unauthorized access or a Denial of Service (DoS) situation. The flaw allows a local attacker to exploit the default administrator password, affecting NAE Release 3.0(1).

Understanding CVE-2019-1688

This CVE involves a flaw in the password management system of Cisco Network Assurance Engine, impacting version 3.0(1).

What is CVE-2019-1688?

The vulnerability in the administration web interface of Cisco NAE allows unauthorized access or a DoS attack due to a flaw in the password management system.

The Impact of CVE-2019-1688

Attack Complexity: Low
Attack Vector: Local
Availability Impact: High
Base Score: 7.7 (High Severity)
Confidentiality Impact: High
Integrity Impact: None
Privileges Required: None
User Interaction: None
Scope: Unchanged

Technical Details of CVE-2019-1688

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the password management system of Cisco NAE allows a local attacker to exploit the default administrator password, potentially leading to unauthorized access or a DoS condition.

Affected Systems and Versions

Product: Cisco Network Assurance Engine
Vendor: Cisco
Affected Version: 3.0(1)

Exploitation Mechanism

A local attacker without authentication can exploit the default administrator password via the CLI of a vulnerable server, potentially accessing sensitive information or causing a DoS condition.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-1688 vulnerability.

Immediate Steps to Take

Change the default administrator password immediately.
Implement strong password policies.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch the Cisco NAE software.
Conduct security training for staff on best practices to prevent unauthorized access.

Patching and Updates

Apply the latest security patches and updates provided by Cisco to address the vulnerability.