CVE-2021-38692
QNAP · published 2022-01-14
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by QNAP Systems, Inc. via the CVE Program.
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QVR Elite, QVR Pro, QVR Guard: QuTS hero h5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QuTS hero h4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 4.5.4: QVR Guard 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Guard 2.1.3.0 (2021/12/06) and later
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | QVR Elite | unspecified – before 2.1.4.0 (2021/12/06): affected |
| QNAP Systems Inc. | QVR Elite | unspecified – before 2.1.4.0 (2021/12/06): affected |
| QNAP Systems Inc. | QVR Elite | unspecified – before 2.1.4.0 (2021/12/06): affected |
| QNAP Systems Inc. | QVR Elite | unspecified – before 2.1.4.0 (2021/12/06): affected |
| QNAP Systems Inc. | QVR Pro | unspecified – before 2.1.3.0 (2021/12/06): affected |
| QNAP Systems Inc. | QVR Pro | unspecified – before 2.1.3.0 (2021/12/06): affected |
| QNAP Systems Inc. | QVR Guard | unspecified – before 2.1.3.0 (2021/12/06): affected |
| QNAP Systems Inc. | QVR Guard | unspecified – before 2.1.3.0 (2021/12/06): affected |
Products named in NVD's CPE match criteria (3)
cpe:2.3:a:qnap:qvr_elite:*:*:*:*:*:*:*:*cpe:2.3:a:qnap:qvr_guard:*:*:*:*:*:*:*:*cpe:2.3:a:qnap:qvr_pro:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 8.1 HIGH — as published by QNAP Systems, Inc. (Secondary)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1: 9.8 CRITICAL — as published by NIST (Primary)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0: 7.5 HIGH — as published by NIST (Primary)
AV:N/AC:L/Au:N/C:P/I:P/A:P
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://www.qnap.com/en/security-advisory/qsa-21-59
- https://www.qnap.com/en/security-advisory/qsa-21-59
Source dates: published 2022-01-14, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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