CVE-2021-30149 : Exploit Details and Defense Strategies

Composr 10.0.36 allows upload and execution of PHP files.

Understanding CVE-2021-30149

This CVE highlights a vulnerability in Composr 10.0.36 that enables attackers to upload and run PHP files on the affected system.

What is CVE-2021-30149?

The CVE-2021-30149 vulnerability specifically affects Composr 10.0.36, allowing unauthorized users to upload and execute PHP files, potentially leading to a complete system compromise.

The Impact of CVE-2021-30149

If exploited, this vulnerability can result in unauthorized code execution, compromise of sensitive data, and complete system takeover. It poses a significant threat to the security and integrity of systems running Composr 10.0.36.

Technical Details of CVE-2021-30149

This section provides more detailed technical insights into the CVE.

Vulnerability Description

Composr 10.0.36 is susceptible to a flaw that permits the uploading and execution of PHP files by malicious actors.

Affected Systems and Versions

The vulnerability affects all instances of Composr 10.0.36.

Exploitation Mechanism

Exploitation of this CVE involves uploading malicious PHP files to the system, which can then be executed to carry out unauthorized actions.

Mitigation and Prevention

To protect systems from CVE-2021-30149, immediate action and long-term security practices are crucial.

Immediate Steps to Take

Disable file upload functionality if not necessary.
Implement strong input validation to prevent unauthorized file uploads.
Monitor system logs for any suspicious file uploads or executions.

Long-Term Security Practices

Regularly update Composr to the latest secure version.
Conduct security audits and penetration testing on a routine basis.
Educate users about the risks of file uploads and best security practices.

Patching and Updates

Ensure that all security patches provided by Composr are promptly applied to mitigate the risk of exploitation.