CVE-2021-34343

Buffer Overflow Vulnerability in QTS, QuTS hero, and QuTScloud

State: Published
Severity: 6.0 Medium
Published: Sep 10, 2021
Updated: Sep 16, 2024
Reserved: Jun 8, 2021

Description

A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later

Scores

CVSS	Score	Vector	Source
3.1	6.0 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H	qnap

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
QTSQNAP Systems Inc.	before 4.5.4.1715 build 20210630Affected before 5.0.0.1716 build 20210701Affected
QuTScloudQNAP Systems Inc.	before c4.5.6.1755Affected
QuTS heroQNAP Systems Inc.	before h4.5.4.1771 build 20210825Affected

References

https://www.qnap.com/en/security-advisory/qsa-21-33

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.