CVE-2020-2509 vulnerability in QNAP Products
Published on April 17, 2021
Command Injection Vulnerability in QTS and QuTS hero
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
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. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. 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.
Weakness Types
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.
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2020-2509 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2020-2509
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Affected Versions
QNAP Systems Inc. QTS:- Version unspecified and below 4.5.2.1566 Build 20210202 is affected.
- Version unspecified and below 4.5.1.1495 Build 20201123 is affected.
- Version unspecified and below 4.3.6.1620 Build 20210322 is affected.
- Version unspecified and below 4.3.4.1632 Build 20210324 is affected.
- Version unspecified and below 4.3.3.1624 Build 20210416 is affected.
- Version unspecified and below 4.2.6 Build 20210327 is affected.
- Version unspecified and below h4.5.1.1491 build 20201119 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.