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…

PriorityP354critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

1.28%

66.4th percentile

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

Affected

8 ranges

Vendor	Product	Version range	Fixed in
qnap	surveillance_station	< 5.2.0.4.2	5.2.0.4.2
qnap	surveillance_station	< 5.2.0.3.2	5.2.0.3.2
qnap	surveillance_station	< 5.1.5.4.6	5.1.5.4.6
qnap	surveillance_station	< 5.1.5.3.6	5.1.5.3.6
qnap_systems_inc	surveillance_station	>= unspecified < 5.2.0.4.2 ( 2021/10/26 )	5.2.0.4.2 ( 2021/10/26 )
qnap_systems_inc	surveillance_station	>= unspecified < 5.2.0.3.2 ( 2021/10/26 )	5.2.0.3.2 ( 2021/10/26 )
qnap_systems_inc	surveillance_station	>= unspecified < 5.1.5.4.6 ( 2021/10/26 )	5.1.5.4.6 ( 2021/10/26 )
qnap_systems_inc	surveillance_station	>= unspecified < 5.1.5.3.6 ( 2021/10/26 )	5.1.5.3.6 ( 2021/10/26 )

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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