Vulnerabilities > CVE-2020-2501 - Out-of-bounds Write vulnerability in Qnap Surveillance Station

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

qnap

CWE-787

critical

NVD

Published: 2021-02-17

Updated: 2021-02-22

Summary

A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. QNAP have already fixed this vulnerability in the following versions: Surveillance Station 5.1.5.4.3 (and later) for ARM CPU NAS (64bit OS) and x86 CPU NAS (64bit OS) Surveillance Station 5.1.5.3.3 (and later) for ARM CPU NAS (32bit OS) and x86 CPU NAS (32bit OS)

Vulnerable Configurations

Part	Description	Count
Application	Qnap Qnap Surveillance Station 5.0.3 Qnap Surveillance Station 5.0.4 Qnap Surveillance Station 5.0.5 Qnap Surveillance Station 5.1.0.1 Qnap Surveillance Station 5.1.0.2 Qnap Surveillance Station 5.1.0.3 Qnap Surveillance Station 5.1.0.4 Qnap Surveillance Station 5.1.0.5 Qnap Surveillance Station 5.1.1.0 Qnap Surveillance Station 5.1.1.1 Qnap Surveillance Station 5.1.1.2 Qnap Surveillance Station 5.1.1.3.0 Qnap Surveillance Station 5.1.1.3.1 Qnap Surveillance Station 5.1.1.3.2 Qnap Surveillance Station 5.1.1.3.3 Qnap Surveillance Station 5.1.1.3.4 Qnap Surveillance Station 5.1.1.4.0 Qnap Surveillance Station 5.1.1.4.1 Qnap Surveillance Station 5.1.1.4.2 Qnap Surveillance Station 5.1.1.4.3 Qnap Surveillance Station 5.1.1.4.4 Qnap Surveillance Station 5.1.2.3.0 Qnap Surveillance Station 5.1.2.3.2 Qnap Surveillance Station 5.1.2.3.3 Qnap Surveillance Station 5.1.2.4.0 Qnap Surveillance Station 5.1.2.4.1 Qnap Surveillance Station 5.1.2.4.2 Qnap Surveillance Station 5.1.2.4.3 Qnap Surveillance Station 5.1.3.3.1 Qnap Surveillance Station 5.1.3.3.2 Qnap Surveillance Station 5.1.3.3.3 Qnap Surveillance Station 5.1.3.3.4 Qnap Surveillance Station 5.1.3.3.5 Qnap Surveillance Station 5.1.3.3.6 Qnap Surveillance Station 5.1.3.3.7 Qnap Surveillance Station 5.1.3.3.8 Qnap Surveillance Station 5.1.3.4.0 Qnap Surveillance Station 5.1.3.4.1 Qnap Surveillance Station 5.1.3.4.2 Qnap Surveillance Station 5.1.3.4.3 Qnap Surveillance Station 5.1.3.4.5 Qnap Surveillance Station 5.1.3.4.6 Qnap Surveillance Station 5.1.3.4.7 Qnap Surveillance Station 5.1.3.4.8 Qnap Surveillance Station 5.1.5.3.0 Qnap Surveillance Station 5.1.5.3.1 Qnap Surveillance Station 5.1.5.3.2 Qnap Surveillance Station 5.1.5.4.0 Qnap Surveillance Station 5.1.5.4.1 Qnap Surveillance Station 5.1.5.4.2	50
Hardware	Qnap Qnap NAS -	1

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

References

https://www.qnap.com/en/security-advisory/qsa-21-07