qnap qvr CVE-2021-38686 is a vulnerability in QNAP Qvr
Published on November 26, 2021

Improper Authentication Vulnerability in VioStor
An improper authentication vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows attackers to compromise the security of the system. We have already fixed this vulnerability in the following versions of QVR: QVR FW 5.1.6 build 20211109 and later

NVD

Vulnerability Analysis

CVE-2021-38686 is exploitable with network access, requires 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 very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an authentification Vulnerability?

When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct.

CVE-2021-38686 has been classified to as an authentification vulnerability or weakness.


Products Associated with CVE-2021-38686

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QNAP Qvr
 

Affected Versions

QNAP Systems Inc. QVR:

Exploit Probability

EPSS
0.28%
Percentile
51.01%

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.