CVE-2021-38686

Published: Nov 26, 2021Modified: Jun 17, 2026

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

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

Affected (1)

Products: Qnap: Qvr

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Qnap Qvr	Before 5.1.6

Related CWEs

Improper Authentication

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

References (2)

https://www.qnap.com/en/security-advisory/qsa-21-52

Source: security@qnapsecurity.com.tw

Vendor Advisory

https://www.qnap.com/en/security-advisory/qsa-21-52

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.