CVE-2019-20671 Explained : Impact and Mitigation

A Stored XSS vulnerability has been identified in various NETGEAR devices, affecting multiple models and versions.

Understanding CVE-2019-20671

This CVE involves a Stored XSS vulnerability impacting specific NETGEAR device models and versions.

What is CVE-2019-20671?

Stored XSS vulnerability found in several NETGEAR devices, including RBR20, RBS20, RBK20, RBR40, RBS40, RBK40, RBR50, RBS50, and RBK50.

The Impact of CVE-2019-20671

CVSS Base Score: 6 (Medium Severity)
Attack Complexity: Low
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: High
User Interaction: None
Scope: Unchanged
Availability Impact: None

Technical Details of CVE-2019-20671

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows for Stored Cross-Site Scripting (XSS) attacks on the affected NETGEAR devices.

Affected Systems and Versions

The following models and versions are impacted:

RBR20 prior to 2.3.5.26
RBS20 prior to 2.3.5.26
RBK20 prior to 2.3.5.26
RBR40 prior to 2.3.5.30
RBS40 prior to 2.3.5.30
RBK40 prior to 2.3.5.30
RBR50 prior to 2.3.5.30
RBS50 prior to 2.3.5.30
RBK50 prior to 2.3.5.30

Exploitation Mechanism

The vulnerability can be exploited by an attacker with high privileges to inject malicious scripts into the affected devices.

Mitigation and Prevention

Protecting systems from the CVE-2019-20671 vulnerability is crucial.

Immediate Steps to Take

Update the firmware of the affected NETGEAR devices to the latest patched versions.
Monitor network traffic for any suspicious activities.
Implement strong access controls and authentication mechanisms.

Long-Term Security Practices

Regularly conduct security assessments and penetration testing.
Educate users about safe browsing habits and potential security risks.

Patching and Updates

Stay informed about security advisories and updates from NETGEAR.
Apply patches promptly to address known vulnerabilities.