CVE-2023-0808 : Security Advisory and Response

This article delves into the details of CVE-2023-0808, involving a vulnerability found in Deye/Revolt/Bosswerk Inverter MW3_15U_5406_1.47/MW3_15U_5406_1.471, which has been identified as having a hard-coded password issue.

Understanding CVE-2023-0808

This section provides insights into the vulnerability and its implications.

What is CVE-2023-0808?

The vulnerability known as CVE-2023-0808 affects Deye/Revolt/Bosswerk Inverters with specific versions. It revolves around the Access Point Setting Handler component, where an input manipulation with '12345678' can lead to the use of a hard-coded password. This vulnerability could potentially allow an attacker to launch an attack on the physical device. The complexity of exploiting this vulnerability is considered high, with known difficulties in exploitation.

The Impact of CVE-2023-0808

The impact of CVE-2023-0808 is rated as LOW, with a CVSS base score of 3.9. It poses a risk of confidentiality, integrity, and availability compromise of the affected systems. Immediate actions must be taken to mitigate the potential risks associated with this vulnerability.

Technical Details of CVE-2023-0808

In this section, we explore the technical aspects of CVE-2023-0808, including the vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from a hard-coded password issue within the Access Point Setting Handler component of the affected Inverter versions. Attackers can exploit this flaw through specific input manipulation, potentially compromising device security.

Affected Systems and Versions

The vulnerability affects Deye/Revolt/Bosswerk Inverters with versions MW3_15U_5406_1.47 and MW3_15U_5406_1.471. It specifically targets the Access Point Setting Handler module within these versions.

Exploitation Mechanism

To exploit CVE-2023-0808, attackers need physical access to the target device and must manipulate input data to trigger the use of the hard-coded password. The complexity and difficulty of exploitation make it a challenging vulnerability to exploit.

Mitigation and Prevention

Outlined below are crucial steps to mitigate and prevent the risks associated with CVE-2023-0808.

Immediate Steps to Take

It is recommended to upgrade the affected components to version MW3_16U_5406_1.53 as a proactive measure to address the identified vulnerability. Organizations should prioritize this upgrade to enhance the security posture of their systems.

Long-Term Security Practices

Incorporating robust security practices, such as regular security assessments, secure coding guidelines, and employee training on cybersecurity best practices, can help prevent similar vulnerabilities in the future.

Patching and Updates

Staying vigilant about security patches and updates released by the vendors is crucial. Regularly updating systems with the latest security patches can safeguard against known vulnerabilities and enhance overall cybersecurity resilience.