CVE-2021-28804 : Exploit Details and Defense Strategies

Command injection vulnerabilities have been reported in QTS and QuTS hero by QNAP Systems Inc. Attackers can execute arbitrary commands in compromised applications. This affects QTS versions prior to 4.5.1.1540 build 20210107 and QuTS hero versions prior to h4.5.1.1582 build 20210217.

Understanding CVE-2021-20657

This CVE involves command injection vulnerabilities in QTS and QuTS hero by QNAP Systems Inc.

What is CVE-2021-20657?

CVE-2021-28804 refers to command injection vulnerabilities in QTS and QuTS hero, potentially allowing attackers to run arbitrary commands in affected applications.

The Impact of CVE-2021-20657

If exploited, this vulnerability may lead to unauthorized execution of commands on the affected systems, posing a significant security risk.

Technical Details of CVE-2021-20657

This section provides technical details regarding the CVE.

Vulnerability Description

The vulnerability allows threat actors to execute arbitrary commands within compromised QTS and QuTS hero applications.

Affected Systems and Versions

The vulnerability impacts QTS versions prior to 4.5.1.1540 build 20210107 and QuTS hero versions prior to h4.5.1.1582 build 20210217.

Exploitation Mechanism

By exploiting this vulnerability, attackers can inject and run arbitrary commands in the compromised applications.

Mitigation and Prevention

Protect your systems from CVE-2021-28804 using these security measures.

Immediate Steps to Take

Update QTS to version 4.5.1.1540 build 20210107 or later, and QuTS hero to version h4.5.1.1582 build 20210217 or later to patch the vulnerability.

Long-Term Security Practices

Regularly apply security updates and patches provided by QNAP Systems Inc. to safeguard against potential threats.

Patching and Updates

For CVE-2021-28804, QNAP Systems Inc. has released fixes in QTS 4.5.1.1540 build 20210107 and later, as well as QuTS hero h4.5.1.1582 build 20210217 and later.