title: Command Injection Vulnerability in QTS
description: A command injection vulnerability has been reported to affect QNAP NAS running legacy versions of QTS. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.3.6.1663 Build 20210504; versions prior to 4.3.3.1624 Build 20210416. This issue does not affect: QNAP Systems Inc. QTS 4.5.3. QNAP Systems Inc. QuTS hero h4.5.3. QNAP Systems Inc. QuTScloud c4.5.5.
problem types: CWE-78 OS Command Injection
affected:
{
product: QTS
vendor: QNAP Systems Inc.
versions:
lessThan: 4.3.6.1663 Build 20210504, status: affected, version: unspecified, versionType: custom
lessThan: 4.3.3.1624 Build 20210416, status: affected, version: unspecified, versionType: custom
status: unaffected, version: 4.5.3
}
{
product: QuTS hero
vendor: QNAP Systems Inc.
versions:
status: unaffected, version: h4.5.3
}
{
product: QuTScloud
vendor: QNAP Systems Inc.
versions:
status: unaffected, version: c4.5.5
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.1
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: QNAP have already fixed this vulnerability in the following versions:
QTS 4.3.6.1663 Build 20210504 and later
QTS 4.3.3.1624 Build 20210416 and later