CVE-2020-2509

Command Injection Vulnerability in QTS and QuTS hero

State: Published
Severity: 9.8 Critical
Published: Apr 17, 2021
Updated: Oct 21, 2025
Reserved: Dec 9, 2019

Description

A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78 OS Command Injection

Affected Products

Product	Versions
QTSQNAP Systems Inc.	before 4.5.2.1566 Build 20210202Affected before 4.5.1.1495 Build 20201123Affected before 4.3.6.1620 Build 20210322Affected before 4.3.4.1632 Build 20210324Affected before 4.3.3.1624 Build 20210416Affected before 4.2.6 Build 20210327Affected
QuTS heroQNAP Systems Inc.	before h4.5.1.1491 build 20201119Affected

References

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.