CVE-2021-38685 : What You Need to Know
Learn about CVE-2021-38685, a critical command injection vulnerability in QNAP's VioStor device. Discover affected versions, impact, and mitigation steps here.
A command injection vulnerability in the QNAP device, VioStor, has been reported, allowing remote attackers to run arbitrary commands. The vulnerability has been fixed in QVR FW 5.1.6 build 20211109 and later versions.
Understanding CVE-2021-38685
This section provides insights into the nature and impact of the command injection vulnerability.
What is CVE-2021-38685?
CVE-2021-38685 is a command injection vulnerability affecting QNAP device, VioStor. Exploiting this flaw could enable remote attackers to execute arbitrary commands on the system.
The Impact of CVE-2021-38685
Given a base score of 9.8 and a critical severity level, this vulnerability poses a high risk as it could result in unauthorized command execution, compromising confidentiality, integrity, and availability.
Technical Details of CVE-2021-38685
Explore the detailed technical aspects of the vulnerability and its implications.
Vulnerability Description
The vulnerability allows for command injection in QNAP VioStor devices, potentially leading to unauthorized command execution by remote attackers.
Affected Systems and Versions
The affected product is QVR by QNAP Systems Inc., specifically versions less than QVR FW 5.1.6 build 20211109.
Exploitation Mechanism
This vulnerability is exploited via a network attack with low attack complexity, requiring no privileges, and no user interaction. Its impact can lead to high availability, confidentiality, and integrity compromise.
Mitigation and Prevention
Discover the steps to mitigate the risk and prevent exploitation of CVE-2021-38685.
Immediate Steps to Take
Update to the fixed versions of QVR (QVR FW 5.1.6 build 20211109 and later) to address the vulnerability immediately.
Long-Term Security Practices
Implement strict network access controls, regularly monitor for unauthorized access, and stay informed about security advisories from QNAP Systems Inc.
Patching and Updates
Regularly apply security patches and updates released by QNAP Systems Inc. to safeguard your systems against known vulnerabilities.