CVE-2021-38685 is a vulnerability in QNAP Qvr
Published on November 26, 2021
Command Injection Vulnerability in VioStor
A command injection vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QVR: QVR FW 5.1.6 build 20211109 and later
Vulnerability Analysis
CVE-2021-38685 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. 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 Type
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-2021-38685 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2021-38685
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Affected Versions
QNAP Systems Inc. QVR:- Version unspecified and below QVR FW 5.1.6 build 20211109 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.