CVE-2021-46830 : What You Need to Know

A path traversal vulnerability exists within GoAnywhere MFT before 6.8.3 that could potentially allow unauthorized access to files at a higher directory level than intended.

Understanding CVE-2021-46830

A path traversal vulnerability in GoAnywhere MFT allows external users to gain unauthorized access to sensitive files.

What is CVE-2021-46830?

This vulnerability in GoAnywhere MFT occurs in versions prior to 6.8.3 and is linked to self-registration for the GoAnywhere Web Client. It enables an external user to access files in higher directory levels than allowed.

The Impact of CVE-2021-46830

The vulnerability could result in unauthorized access to sensitive information, leading to potential data breaches and unauthorized data manipulation.

Technical Details of CVE-2021-46830

The technical aspects of the vulnerability in GoAnywhere MFT.

Vulnerability Description

Path traversal vulnerability in GoAnywhere MFT before version 6.8.3
Exploitable through self-registration for the GoAnywhere Web Client

Affected Systems and Versions

Product: GoAnywhere MFT
Vendor: GoAnywhere
Versions affected: All versions before 6.8.3

Exploitation Mechanism

The vulnerability allows external users to modify profile information during self-registration, which can lead to accessing files at a higher directory level than intended.

Mitigation and Prevention

Actions to mitigate and prevent the exploitation of CVE-2021-46830.

Immediate Steps to Take

Upgrade GoAnywhere MFT to version 6.8.3 or newer to address the vulnerability
Limit user access rights to reduce the risk of unauthorized file access

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities
Conduct security training to educate users on safe practices and potential risks

Patching and Updates

Ensure timely installation of security patches and updates, especially for software components that handle sensitive data.