CVE-2020-2509 vulnerability in Qnap Products
Published on April 17, 2021

A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later

Vendor Advisory NVD

Known Exploited Vulnerability

This QNAP Network-Attached Storage (NAS) Command Injection Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. QNAP NAS devices contain a command injection vulnerability which could allow attackers to perform remote code execution.

The following remediation steps are recommended / required by May 2, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2020-2509 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-2020-2509 has been classified to as a Command Injection vulnerability or weakness.

Products Associated with CVE-2020-2509

You can be notified by stack.watch whenever vulnerabilities like CVE-2020-2509 are published in these products:

Qnap Qts

Qnap Quts Hero

What versions are vulnerable to CVE-2020-2509?