QNAP QTS up to 3.0.2 Helpdesk os command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in QNAP QTS up to 3.0.2. This affects an unknown function of the component Helpdesk. The manipulation results in os command injection. This vulnerability is reported as CVE-2020-2506. The attack can be launched remotely. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

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 os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. 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 compromise the security of the software by gaining privileges, or reading sensitive information. 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. Technical details are unknown but an exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/27/2025). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

It is declared as attacked. This issue was added on 03/25/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 04/15/2022:

Apply updates per vendor instructions.

Upgrading to version 3.0.3 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.8

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

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: QTS 3.0.3

Timelineinfo

12/09/2019 🔍
02/03/2021 +422 days 🔍
02/03/2021 +0 days 🔍
10/27/2025 +1727 days 🔍

Sourcesinfo

Vendor: qnap.com

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

CVE: CVE-2020-2506 (🔍)
GCVE (CVE): GCVE-0-2020-2506
GCVE (VulDB): GCVE-100-169122
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/03/2021 19:07
Updated: 10/27/2025 18:55
Changes: 02/03/2021 19:07 (40), 02/23/2021 09:04 (6), 04/24/2024 12:55 (26), 09/09/2024 22:29 (1), 02/08/2025 00:25 (28), 10/27/2025 18:55 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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