CVE-2021-38689: A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows…

PriorityP357critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.30%

67.0th percentile

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

Affected

6 ranges

Vendor	Product	Version range	Fixed in
qnap	qvr_elite	< 2.1.4.0	2.1.4.0
qnap	qvr_guard	< 2.1.3.0	2.1.3.0
qnap	qvr_pro	< 2.1.3.0	2.1.3.0
qnap_systems_inc	qvr_elite	>= unspecified < 2.1.4.0 (2021/12/06)	2.1.4.0 (2021/12/06)
qnap_systems_inc	qvr_guard	>= unspecified < 2.1.3.0 (2021/12/06)	2.1.3.0 (2021/12/06)
qnap_systems_inc	qvr_pro	>= unspecified < 2.1.3.0 (2021/12/06)	2.1.3.0 (2021/12/06)

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

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