CVE-2020-21786 Explained : Impact and Mitigation

In IBOS 4.5.4 Open, Arbitrary File Inclusion causes getshell via /system/modules/dashboard/controllers/CronController.php.

Understanding CVE-2020-21786

This CVE involves an Arbitrary File Inclusion vulnerability in IBOS 4.5.4 Open, leading to unauthorized access via a specific file.

What is CVE-2020-21786?

Arbitrary File Inclusion in IBOS 4.5.4 Open allows attackers to execute malicious code by including files from the server.

The Impact of CVE-2020-21786

This vulnerability can result in unauthorized access to sensitive information, execution of arbitrary code, and potential system compromise.

Technical Details of CVE-2020-21786

Vulnerability Description

Arbitrary File Inclusion in /system/modules/dashboard/controllers/CronController.php in IBOS 4.5.4 Open allows attackers to achieve getshell.

Affected Systems and Versions

Product: IBOS 4.5.4 Open
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers exploit this vulnerability by manipulating input to include and execute arbitrary files, leading to unauthorized access.

Mitigation and Prevention

Immediate Steps to Take

Implement input validation to prevent malicious file inclusions.
Regularly monitor and analyze system logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Keep systems and software up to date with the latest security patches.
Educate users and administrators about secure coding practices and the risks of file inclusion vulnerabilities.

Patching and Updates

Apply patches or updates provided by the vendor to address the Arbitrary File Inclusion vulnerability in IBOS 4.5.4 Open.