Vulnerability Intelligence Report
Improper Authentication Vulnerability in VioStor
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
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:0.94%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-287 ↗CWE-287 Improper Authentication
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| QNAP Systems Inc. | QVR | unspecified < QVR FW 5.1.6 build 20211109 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.942%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | QNAP Systems, Inc. · Vendor · Taiwan |
| Reserved | 2021-08-13T00:00:00 |
| Published | 2021-11-26T14:00:14 |
| Patch Date | 2021-11-26 |
| Last Updated | 2024-09-16T20:16:15 |
Community Chatter & Buzz