CVE-2021-42644 : Exploit Details and Defense Strategies

cmseasy V7.7.5_20211012 is affected by an arbitrary file read vulnerability that allows unauthorized access to sensitive website configuration data. Learn about the impact, technical details, and mitigation steps for this CVE.

Understanding CVE-2021-42644

What is CVE-2021-42644?

CVE-2021-42644 refers to an arbitrary file read vulnerability in cmseasy V7.7.5_20211012. This vulnerability enables attackers to read crucial configuration files like the database configuration after logging in.

The Impact of CVE-2021-42644

This vulnerability could result in unauthorized access to sensitive information stored in configuration files, posing a significant risk to the confidentiality and integrity of the website.

Technical Details of CVE-2021-42644

Vulnerability Description

The vulnerability in cmseasy V7.7.5_20211012 allows attackers to read critical files post-login, including the database configuration file (config/config_database), potentially leading to data exposure.

Affected Systems and Versions

Affected Systems: cmseasy V7.7.5_20211012
Affected Versions: All versions are impacted.

Exploitation Mechanism

The vulnerability can be exploited by logging into the system and leveraging the flaw to access sensitive file contents, such as database configurations.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches released by the vendor promptly.
Monitor system logs for any unauthorized access attempts.
Implement strong authentication mechanisms to prevent unauthorized logins.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and rectify security gaps.

Patching and Updates

Regularly check for updates from the vendor and apply patches as soon as they are available to mitigate the risk of exploitation.