by Kastro
Paper/Archive/CVE-2021-38691

CVE-2021-38691

QNAP Systems Inc. QVR Elite — Stack Overflow Vulnerability in QVR Elite, QVR Pro and QVR Guard

EPSS 1%CVSS 9.8
critical.is priorityof 100
44
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 70.4.704 × 2014.1No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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

ProductAffectedFixed inSource
QVR Eliteunspecified – < 2.1.4.0 (2021/12/06)2.1.4.0 (2021/12/06)CNA
QVR Eliteunspecified – < 2.1.4.0 (2021/12/06)2.1.4.0 (2021/12/06)CNA
QVR Eliteunspecified – < 2.1.4.0 (2021/12/06)2.1.4.0 (2021/12/06)CNA
QVR Eliteunspecified – < 2.1.4.0 (2021/12/06)2.1.4.0 (2021/12/06)CNA
QVR Prounspecified – < 2.1.3.0 (2021/12/06)2.1.3.0 (2021/12/06)CNA
QVR Prounspecified – < 2.1.3.0 (2021/12/06)2.1.3.0 (2021/12/06)CNA
QVR Guardunspecified – < 2.1.3.0 (2021/12/06)2.1.3.0 (2021/12/06)CNA
QVR Guardunspecified – < 2.1.3.0 (2021/12/06)2.1.3.0 (2021/12/06)CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
qnap (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refqnap.com/en/security-advisory/qsa-21-59