QNAP QTS up to 3.0.2 Helpdesk access control

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CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.07

A vulnerability has been found in QNAP QTS up to 3.0.2 (Network Attached Storage Software) and classified as critical. Affected by this vulnerability is an unknown part of the component Helpdesk. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-284. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The vulnerability have been reported to affect earlier versions of QTS. If exploited, this improper access control vulnerability could allow attackers to obtain control of a QNAP device. This issue affects: QNAP Systems Inc. Helpdesk versions prior to 3.0.3.

The weakness was presented 02/03/2021 as qsa-20-08. It is possible to read the advisory at qnap.com. This vulnerability is known as CVE-2020-2507 since 12/09/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 3.0.3 eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-284
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Economy: 🔍
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Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: QTS 3.0.3

Timelineinfoedit

12/09/2019 CVE assigned
02/03/2021 +422 days Advisory disclosed
02/03/2021 +0 days VulDB entry created
02/23/2021 +20 days VulDB last update

Sourcesinfoedit

Vendor: https://www.qnap.com/

Advisory: qsa-20-08
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-2507 (🔒)

Entryinfoedit

Created: 02/03/2021 07:08 PM
Updated: 02/23/2021 09:07 AM
Changes: (6) source_cve_assigned source_cve_nvd_summary advisory_confirm_url vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
Complete: 🔍

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