CVE-2021-43693 : Security Advisory and Response
Learn about CVE-2021-43693 affecting Vesta Control Panel version 0.9.8-24. Understand the impact, exploitation mechanism, and mitigation steps to prevent unauthorized file access.
Vulnerability in Vesta Control Panel 0.9.8-24
Understanding CVE-2021-43693
What is CVE-2021-43693?
Vesta Control Panel version 0.9.8-24 is impacted by a file inclusion vulnerability in file web/add/user/index.php.
The Impact of CVE-2021-43693
The vulnerability could allow an attacker to include arbitrary files from the server.
Technical Details of CVE-2021-43693
Vulnerability Description
The issue arises from improper input validation in the affected file, leading to the inclusion of unauthorized files.
Affected Systems and Versions
- Product: Vesta Control Panel
- Vendor: Vesta
- Version: 0.9.8-24
Exploitation Mechanism
The vulnerability is exploited by manipulating input fields to include malicious files, enabling unauthorized access.
Mitigation and Prevention
Immediate Steps to Take
- Apply the vendor-supplied patches immediately.
- Monitor system logs for unusual file inclusions.
Long-Term Security Practices
- Regularly update the Vesta Control Panel to the latest version.
- Conduct security audits to identify and address vulnerabilities proactively.
Patching and Updates
Install patches and updates provided by Vesta to fix the file inclusion vulnerability.