title: Missing Authentication for Critical Function in RTRR Server in HBS3
description: An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later
problem types: CWE-284 Improper Access Control
affected:
{
platforms: QTS 4.3.6
product: HBS 3
vendor: QNAP Systems Inc.
versions:
lessThan: v3.0.210507, status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 4.3.4
product: HBS 3
vendor: QNAP Systems Inc.
versions:
lessThan: v3.0.210506, status: affected, version: unspecified, versionType: custom
}
{
platforms: QTS 4.3.3
product: HBS 3
vendor: QNAP Systems Inc.
versions:
lessThan: v3.0.210506, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/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 of HBS 3:
QTS 4.3.6: HBS 3 v3.0.210507 and later
QTS 4.3.4: HBS 3 v3.0.210506 and later
QTS 4.3.3: HBS 3 v3.0.210506 and later