9.8

CVE-2021-38687

A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Surveillance Station: QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later QTS 4.3.3: Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later

Data is provided by the National Vulnerability Database (NVD)
Qnap ≫ Surveillance Station Version < 5.2.0.4.2
   Qnap ≫ Qts Version5.0.0 HwPlatformx64
Qnap ≫ Surveillance Station Version < 5.2.0.3.2
   Qnap ≫ Qts Version5.0.0 HwPlatformx86
Qnap ≫ Surveillance Station Version < 5.1.5.4.6
   Qnap ≫ Qts Version4.3.6 HwPlatformx64
Qnap ≫ Surveillance Station Version < 5.1.5.3.6
   Qnap ≫ Qts Version4.3.6 HwPlatformx86
Qnap ≫ Surveillance Station Version < 5.1.5.3.6
   Qnap ≫ Qts Version4.3.3
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.81% 0.72
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
security@qnapsecurity.com.tw 8.1 2.2 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.