title: QTS, QuTS hero, QuTScloud
description: A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network.
We have already fixed the vulnerability in the following versions:
QTS 5.0.1.2425 build 20230609 and later
QTS 5.1.0.2444 build 20230629 and later
QTS 4.5.4.2467 build 20230718 and later
QuTS hero h5.0.1.2515 build 20230907 and later
QuTS hero h5.1.0.2424 build 20230609 and later
QuTS hero h4.5.4.2476 build 20230728 and later
QuTScloud c5.1.0.2498 and later
problem types: CWE-120
affected:
{
defaultStatus: unaffected
product: QTS
vendor: QNAP Systems Inc.
versions:
lessThan: 5.0.1.2425 build 20230609, status: affected, version: 5.0.x, versionType: custom
lessThan: 5.1.0.2444 build 20230629, status: affected, version: 5.1.x, versionType: custom
lessThan: 4.5.4.2467 build 20230718, status: affected, version: 4.5.x, versionType: custom
}
{
defaultStatus: unaffected
product: QuTS hero
vendor: QNAP Systems Inc.
versions:
lessThan: h5.0.1.2515 build 20230907, status: affected, version: h5.0.x, versionType: custom
lessThan: h5.1.0.2424 build 20230609, status: affected, version: h5.1.x, versionType: custom
lessThan: h4.5.4.2476 build 20230728, status: affected, version: h4.5.x, versionType: custom
}
{
defaultStatus: unaffected
product: QuTScloud
vendor: QNAP Systems Inc.
versions:
lessThan: c5.1.0.2498, status: affected, version: c5.0.x, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 3.8
baseSeverity: LOW
confidentialityImpact: NONE
integrityImpact: LOW
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: We have already fixed the vulnerability in the following versions:
QTS 5.0.1.2425 build 20230609 and later
QTS 5.1.0.2444 build 20230629 and later
QTS 4.5.4.2467 build 20230718 and later
QuTS hero h5.0.1.2515 build 20230907 and later
QuTS hero h5.1.0.2424 build 20230609 and later
QuTS hero h4.5.4.2476 build 20230728 and later
QuTScloud c5.1.0.2498 and later
