CVE-2021-28802

Command Injection Vulnerabilities in QTS and QuTS hero

CRITICAL
9.8
CVSS Score
Published: July 1, 2021 at 02:00 AM UTC
Updated: June 17, 2026 at 03:46 AM UTC
2 products affected across 1 vendorQTSQuTS hero

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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%

Description

A command injection vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.5.1.1540v < 4.5.1.1540 build 20210107
Affected range stops below 4.5.1.1540, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.5.1.1540 build 20210107, so it looks safe — our inference, not a vendor statement
v < h4.5.1.1582v < h4.5.1.1582 build 20210217
Affected range stops below h4.5.1.1582, so it looks safe — our inference, not a vendor statement
Affected range stops below h4.5.1.1582 build 20210217, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-78

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