Main Vulnerability Database Vulnerabilities #VU59596

Stack-based buffer overflow in QNAP Systems, Inc. products - CVE-2021-38682

Published: January 14, 2022

Vulnerability identifier: #VU59596

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-38682

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

QVR Pro
QVR Guard
QVR Elite

How to mitigate CVE-2021-38682

Install updates from vendor's website.

QVR Pro - update to 2.1.3.0
QVR Guard - update to 2.1.3.0
QVR Elite - update to 2.1.4.0

External References

https://www.qnap.com/en/security-advisory/qsa-21-59

Related Security Bulletins