CVE-2021-27730 : What You Need to Know

Accellion FTA 9_12_432 and earlier versions are vulnerable to argument injection via a crafted POST request to an admin endpoint. The issue has been fixed in version FTA_9_12_444 and later.

Understanding CVE-2021-27730

This CVE identifies a vulnerability in Accellion FTA versions that can be exploited through a crafted POST request.

What is CVE-2021-27730?

CVE-2021-27730 relates to an argument injection vulnerability in Accellion FTA versions before FTA_9_12_444, allowing attackers to manipulate arguments in POST requests.

The Impact of CVE-2021-27730

Exploitation of this vulnerability can lead to unauthorized data access or potentially enable attackers to execute arbitrary commands on the affected system.

Technical Details of CVE-2021-27730

The technical details of CVE-2021-27730 include:

Vulnerability Description

The vulnerability stems from improper handling of arguments in POST requests, opening the door for injection attacks.

Affected Systems and Versions

Accellion FTA 9_12_432 and earlier versions are confirmed to be impacted, while the fixed version is FTA_9_12_444 and later.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted POST requests to vulnerable admin endpoints.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-27730, consider the following steps:

Immediate Steps to Take

Upgrade to Accellion FTA version FTA_9_12_444 or later to eliminate the vulnerability.
Monitor network traffic for any suspicious activities that could indicate an exploitation attempt.

Long-Term Security Practices

Regularly update and patch the Accellion FTA software to protect against known vulnerabilities.
Implement strong access controls and authentication mechanisms to restrict unauthorized access.

Patching and Updates

Stay informed about security updates released by Accellion and promptly apply patches to ensure system security.