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QNAP QTS / QuTS hero Improper Authorization Vulnerability in HBS 3 (QSA-21-13)

critical Nessus Plugin ID 160542

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The version of QNAP QTS or QuTS hero on the remote host is affected by an improper authorization vulnerability when running HBS 3 (Hybrid Backup Sync). If exploited, the vulnerability allows remote attackers to log in to a device.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Apply the workaround and upgrade to the relevant fixed version referenced in the QSA-21-13 advisory.

See Also

https://www.qnap.com/en/security-advisory/qsa-21-13

Plugin Details

Severity: Critical

ID: 160542

File Name: qnap_qts_quts_hero_qsa-21-13.nasl

Version: 1.5

Type: combined

Family: Misc.

Published: 5/5/2022

Updated: 4/25/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-28799

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:qnap:qts, cpe:/o:qnap:qts, cpe:/o:qnap:quts_hero

Required KB Items: Settings/ParanoidReport, installed_sw/QNAP QTS

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/22/2021

Vulnerability Publication Date: 4/22/2021

CISA Known Exploited Vulnerability Due Dates: 4/21/2022

Reference Information

CVE: CVE-2021-28799