CVE-2019-20071 Explained : Impact and Mitigation

A CSRF vulnerability on Netis DL4323 devices allows attackers to delete all logs by exploiting the form2logaction.cgi function.

Understanding CVE-2019-20071

This CVE involves a security issue on Netis DL4323 devices that enables attackers to perform unauthorized actions.

What is CVE-2019-20071?

This CVE identifies a CSRF vulnerability on Netis DL4323 devices that can be exploited through the form2logaction.cgi function, enabling attackers to delete all logs on the device.

The Impact of CVE-2019-20071

The vulnerability allows malicious actors to tamper with log data, potentially covering their tracks or disrupting system monitoring and auditing processes.

Technical Details of CVE-2019-20071

This section delves into the specifics of the vulnerability.

Vulnerability Description

The CSRF vulnerability on Netis DL4323 devices permits unauthorized log deletion by manipulating the form2logaction.cgi function.

Affected Systems and Versions

Affected Systems: Netis DL4323 devices
Affected Versions: All versions are susceptible to this vulnerability

Exploitation Mechanism

The attacker can exploit the form2logaction.cgi function to send unauthorized requests that result in the deletion of all logs on the Netis DL4323 device.

Mitigation and Prevention

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

Immediate Steps to Take

Disable remote access to the form2logaction.cgi function if not essential
Monitor logs for any suspicious activities or unauthorized log deletions

Long-Term Security Practices

Regularly update firmware and security patches for Netis DL4323 devices
Implement network segmentation to limit the impact of potential attacks

Patching and Updates

Apply patches provided by Netis for addressing the CSRF vulnerability