CVE-2020-27689 : Exploit Details and Defense Strategies

The Relish (Verve Connect) VH510 device with firmware before 1.0.1.6L0516 contains undocumented default admin credentials for the web management interface, allowing remote attackers to execute commands and potentially upgrade the firmware to a malicious version.

Understanding CVE-2020-27689

This CVE identifies a vulnerability in the Relish (Verve Connect) VH510 device's firmware that exposes default admin credentials, enabling unauthorized access and potential malicious activities.

What is CVE-2020-27689?

The CVE-2020-27689 vulnerability pertains to the presence of undocumented default admin credentials in the Relish (Verve Connect) VH510 device's firmware, which could be exploited by remote attackers to compromise the device.

The Impact of CVE-2020-27689

The vulnerability allows remote attackers to gain unauthorized access to the device, execute commands, and potentially install malicious firmware, posing a significant security risk to affected devices and networks.

Technical Details of CVE-2020-27689

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The Relish (Verve Connect) VH510 device with firmware before 1.0.1.6L0516 contains default admin credentials for the web management interface, which are not documented, creating a security loophole.

Affected Systems and Versions

Device: Relish (Verve Connect) VH510
Firmware Version: < 1.0.1.6L0516

Exploitation Mechanism

Remote attackers can exploit this vulnerability by using the default admin credentials to access the device's web management interface, allowing them to execute commands and potentially upload malicious firmware.

Mitigation and Prevention

Protecting against CVE-2020-27689 requires immediate actions and long-term security practices.

Immediate Steps to Take

Change default admin credentials on the affected device to strong, unique passwords.
Regularly monitor and audit device logs for any unauthorized access or activities.

Long-Term Security Practices

Implement network segmentation to isolate vulnerable devices from critical systems.
Keep firmware and software up to date to patch known vulnerabilities and enhance security.

Patching and Updates

Apply the latest firmware update (1.0.1.6L0516 or higher) provided by the device manufacturer to address the vulnerability and eliminate the risk of unauthorized access.