CVE-2021-41637 : Vulnerability Insights and Analysis

Weak access control permissions in MELAG FTP Server 2.2.0.4 allow the "Everyone" group to read the local FTP configuration file, leading to the exposure of unencrypted passwords of all FTP users.

Understanding CVE-2021-41637

This CVE involves weak access control permissions in the MELAG FTP Server, potentially exposing sensitive information.

What is CVE-2021-41637?

The vulnerability in MELAG FTP Server 2.2.0.4 allows the "Everyone" group unauthorized access to the local FTP configuration file, including unencrypted FTP user passwords.

The Impact of CVE-2021-41637

Exploitation of this vulnerability could result in unauthorized individuals gaining access to sensitive authentication credentials, potentially leading to data breaches or unauthorized system access.

Technical Details of CVE-2021-41637

The technical aspects of the vulnerability in MELAG FTP Server 2.2.0.4.

Vulnerability Description

Weak access control permissions in MELAG FTP Server 2.2.0.4
Allows the "Everyone" group to read the local FTP configuration file
Exposes unencrypted passwords of all FTP users

Affected Systems and Versions

Product: MELAG FTP Server 2.2.0.4
Vendor: N/A
Affected Version: N/A

Exploitation Mechanism

Unauthorized access by the "Everyone" group to the FTP configuration file
Extraction of unencrypted FTP user passwords

Mitigation and Prevention

Steps to mitigate the impact of CVE-2021-41637.

Immediate Steps to Take

Restrict access to sensitive files and directories
Regularly update and patch the MELAG FTP Server
Consider implementing encryption for FTP user passwords

Long-Term Security Practices

Implement proper access control mechanisms
Conduct regular security assessments and audits
Stay informed about security best practices

Patching and Updates

Monitor for security updates from the MELAG FTP Server vendor
Apply patches promptly to address known vulnerabilities