CVE-2023-27521 Explained : Impact and Mitigation

This CVE record was published on May 23, 2023, by JPCERT. It identifies an OS command injection vulnerability in the mail setting page of SolarView Compact SV-CPT-MC310 versions prior to Ver.8.10 and SV-CPT-MC310F versions prior to Ver.8.10. The vulnerability allows remote authenticated attackers to execute arbitrary OS commands.

Understanding CVE-2023-27521

This section will provide insights into the nature of CVE-2023-27521, its impact, technical details, and mitigation strategies.

What is CVE-2023-27521?

CVE-2023-27521 is an OS command injection vulnerability found in specific versions of SolarView Compact, a product by Contec Co., Ltd. This vulnerability enables remote authenticated attackers to execute unauthorized OS commands through the mail setting page.

The Impact of CVE-2023-27521

The impact of this vulnerability is significant as it allows attackers to run arbitrary OS commands on the affected systems. This could result in unauthorized access, data theft, system manipulation, and potential disruption of services.

Technical Details of CVE-2023-27521

Understanding the technical aspects of CVE-2023-27521 is crucial in implementing effective mitigation strategies and ensuring system security.

Vulnerability Description

The vulnerability resides in the mail setting page of SolarView Compact SV-CPT-MC310 versions earlier than Ver.8.10 and SV-CPT-MC310F versions earlier than Ver.8.10. Attackers with remote authenticated access can exploit this flaw to execute unauthorized OS commands.

Affected Systems and Versions

Contec Co., Ltd.'s SolarView Compact is affected by this vulnerability in SV-CPT-MC310 versions prior to Ver.8.10 and SV-CPT-MC310F versions prior to Ver.8.10.

Exploitation Mechanism

Remote authenticated attackers can leverage the OS command injection vulnerability in the mail setting page of the affected SolarView Compact versions to execute malicious OS commands and potentially compromise the integrity and security of the system.

Mitigation and Prevention

Addressing CVE-2023-27521 promptly is crucial to safeguarding systems against potential exploitation and security breaches. Implementing the following measures can enhance security posture and mitigate risk effectively.

Immediate Steps to Take

Update SolarView Compact SV-CPT-MC310 and SV-CPT-MC310F to Ver.8.10 or later versions to patch the vulnerability.
Monitor network traffic and system logs for any suspicious activities.
Restrict user privileges and access to critical system components.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users on security best practices to prevent social engineering attacks.

Patching and Updates

Contec Co., Ltd. has released Ver.8.10 to address the OS command injection vulnerability in SolarView Compact. Applying this patch and staying current with software updates is essential to mitigate the risk posed by CVE-2023-27521.