title: Path Traversal in thttpd
description: A path traversal vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero, QTS, QVR Pro Appliance. If exploited, this vulnerability allows attackers to read the contents of unexpected files and expose sensitive data. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero, QTS, QVR Pro Appliance: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build 20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later
problem types: CWE-22
affected:
{
product: QuTScloud
vendor: QNAP Systems Inc.
versions:
lessThan: c5.0.1.1949, status: affected, version: unspecified, versionType: custom
}
{
product: QuTS hero
vendor: QNAP Systems Inc.
versions:
lessThan: h5.0.0.1949 build 20220215, status: affected, version: unspecified, versionType: custom
lessThan: h4.5.4.1951 build 20220218, status: affected, version: unspecified, versionType: custom
}
{
product: QTS
vendor: QNAP Systems Inc.
versions:
lessThan: 5.0.0.1986 build 20220324, status: affected, version: unspecified, versionType: custom
lessThan: 4.5.4.1991 build 20220329, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
version: 3.1
]
solutions: We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero, QTS, QVR Pro Appliance:
QuTScloud c5.0.1.1949 and later
QuTS hero h5.0.0.1949 build 20220215 and later
QuTS hero h4.5.4.1951 build 20220218 and later
QTS 5.0.0.1986 build 20220324 and later
QTS 4.5.4.1991 build 20220329 and later