Vulnerability Details : CVE-2021-38686
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
Vulnerability category: BypassGain privilege
Products affected by CVE-2021-38686
- cpe:2.3:a:qnap:qvr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38686
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38686
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
QNAP Systems, Inc. |
CWE ids for CVE-2021-38686
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: security@qnapsecurity.com.tw (Primary)
References for CVE-2021-38686
-
https://www.qnap.com/en/security-advisory/qsa-21-52
Improper Authentication Vulnerability in QVR - Security Advisory | QNAPVendor Advisory
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