CVE-2018-19949 is a vulnerability in Qnap Qts
Published on October 28, 2020

If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This QNAP NAS File Station Command Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A command injection vulnerability affecting QNAP NAS File Station could allow remote attackers to run commands.

The following remediation steps are recommended / required by June 14, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2018-19949 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is a Command Injection Vulnerability?

The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

CVE-2018-19949 has been classified to as a Command Injection vulnerability or weakness.

Products Associated with CVE-2018-19949

You can be notified by stack.watch whenever vulnerabilities like CVE-2018-19949 are published in these products:

Qnap Qts

What versions of Qts are vulnerable to CVE-2018-19949?