CVE-2019-1973 : Security Advisory and Response

A security flaw in the web portal framework of Cisco Enterprise NFV Infrastructure Software (NFVIS) allows remote attackers to execute cross-site scripting attacks, potentially compromising user data.

Understanding CVE-2019-1973

This CVE involves a vulnerability in Cisco's NFVIS that enables attackers to inject malicious code through log files, leading to unauthorized script execution.

What is CVE-2019-1973?

The vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) allows attackers with remote access to execute cross-site scripting (XSS) attacks by tampering with log files.

The Impact of CVE-2019-1973

Attackers can execute unauthorized script code through the affected interface
Sensitive information displayed in the user's browser may be accessed

Technical Details of CVE-2019-1973

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The flaw arises from inadequate verification of log file content, enabling attackers to inject malicious code.

Affected Systems and Versions

Product: Cisco Enterprise NFV Infrastructure Software
Vendor: Cisco
Version: Unspecified

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: Required

Mitigation and Prevention

Protecting systems from CVE-2019-1973 is crucial for maintaining security.

Immediate Steps to Take

Apply security patches provided by Cisco
Monitor network traffic for any suspicious activities
Educate users on identifying phishing attempts

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities
Implement network segmentation to limit the impact of potential attacks
Conduct security audits and assessments periodically

Patching and Updates

Cisco has released patches to address the vulnerability
Ensure all systems running Cisco NFVIS are updated with the latest patches