CVE-2020-2509

Command Injection Vulnerability in QTS and QuTS hero

Published Apr 17, 2021 CVSS 3.1 · 9.8 Critical EPSS 34.0% KEV · Listed
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

Remediation

Vendor Solution

QNAP has 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

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics epss

{'score': 0.86915}

epss

{'score': 0.84258}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-04-11'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Command Injection Vulnerability in QTS and QuTS hero Command Injection Vulnerability in QTS and QuTS hero
Weaknesses

Sources

Status
PUBLISHED
Assigner
qnap
Published
Updated
Oct 21, 2025, 11:25 PM
Reserved
Dec 9, 2019, 12:00 AM
Status
Analyzed
Published
Apr 17, 2021, 4:15 AM
Modified
Jun 17, 2026, 3:12 AM