QNAP QTS up to 3.0.2 Helpdesk os command injection

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CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.07

A vulnerability, which was classified as very critical, was found in QNAP QTS up to 3.0.2 (Network Attached Storage Software). Affected is some unknown functionality of the component Helpdesk. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-78. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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 disclosed 02/03/2021 as qsa-20-08. The advisory is available at qnap.com. This vulnerability is traded as CVE-2020-2506 since 12/09/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/23/2021).

Upgrading to version 3.0.3 eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-78
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
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-2020-2506 (🔒)

Entryinfoedit

Created: 02/03/2021 07:07 PM
Updated: 02/23/2021 09:04 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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