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Known Exploited Vulnerability
9.8
CRITICAL CVSS 3.1
CVE-2020-2509
QNAP Network-Attached Storage (NAS) Command Injection Vulnerability - [Actively Exploited]
Description

A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later

INFO

Published Date :

April 17, 2021, 4:15 a.m.

Last Modified :

Feb. 13, 2025, 2:22 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

QNAP NAS devices contain a command injection vulnerability which could allow attackers to perform remote code execution.

Required Action :

Apply updates per vendor instructions.

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2020-2509

Affected Products

The following products are affected by CVE-2020-2509 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Qnap quts_hero
2 Qnap qts
: Total Affected Vendor : 1 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This information is provided by the 3rd party feeds.
  • Apply the workaround and upgrade to the relevant fixed version referenced in the QSA-21-05 advisory.
Public PoC/Exploit Available at Github

CVE-2020-2509 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-2509.

URL Resource
https://www.qnap.com/en/security-advisory/qsa-21-05 Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-21-05 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-2509 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-2509 weaknesses.

CAPEC-15: Command Delimiters Command Delimiters CAPEC-40: Manipulating Writeable Terminal Devices Manipulating Writeable Terminal Devices CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-75: Manipulating Writeable Configuration Files Manipulating Writeable Configuration Files CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-136: LDAP Injection LDAP Injection CAPEC-183: IMAP/SMTP Command Injection IMAP/SMTP Command Injection CAPEC-248: Command Injection Command Injection CAPEC-6: Argument Injection Argument Injection CAPEC-15: Command Delimiters Command Delimiters CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-88: OS Command Injection OS Command Injection CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
awslabs/Chatbot-to-help-security-teams-perform-vulnerability-assessments

None

Python Dockerfile

Updated: 1 week ago
28 stars 2 fork 2 watcher
Born at : Jan. 3, 2025, 9:23 p.m. This repo has been linked 9 different CVEs too.
Profile Photo
anquanscan/sec-tools

None

Updated: 1 month, 2 weeks ago
49 stars 10 fork 10 watcher
Born at : July 28, 2022, 3:22 a.m. This repo has been linked 149 different CVEs too.
Profile Photo
jbaines-r7/overkill

QNAP N-Day (Probably not CVE-2020-2509)

exploit qnap poc cve-2020-2509

Python

Updated: 1 year ago
13 stars 10 fork 10 watcher
Born at : July 27, 2022, 7:58 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 3 weeks, 4 days ago
581 stars 42 fork 42 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1287 different CVEs too.
Profile Photo
r0eXpeR/supplier

主流供应商的一些攻击性漏洞汇总

Updated: 1 month, 2 weeks ago
808 stars 143 fork 143 watcher
Born at : Nov. 8, 2021, 2:12 a.m. This repo has been linked 93 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-2509 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2020-2509 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Feb. 13, 2025

    Action Type Old Value New Value
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 06, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.qnap.com/en/security-advisory/qsa-21-05
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:qnap:quts_hero:h4.5.1:-:*:*:*:*:*:* OR *cpe:2.3:o:qnap:quts_hero:h4.5.1:-:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:qnap:quts_hero:h4.5.1.1472:*:*:*:*:*:*:* OR *cpe:2.3:o:qnap:quts_hero:h4.5.1.1472:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jun. 21, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:qnap:quts_hero:*:*:*:*:*:*:*:* versions from (excluding) h4.5.1 OR *cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* versions from (excluding) h4.5.1
  • Initial Analysis by [email protected]

    Apr. 23, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.qnap.com/en/security-advisory/qsa-21-05 No Types Assigned https://www.qnap.com/en/security-advisory/qsa-21-05 Vendor Advisory
    Added CWE NIST CWE-77
    Added CPE Configuration OR *cpe:2.3:a:qnap:qts:4.3.3.0174:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.0868:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.0998:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.1051:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.1098:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.1161:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.1252:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.1315:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.1386:*:*:*:*:*:*:* *cpe:2.3:a:qnap:qts:4.3.3.1432:*:*:*:*:*:*:* *cpe:2.3:a:qnap:quts_hero:*:*:*:*:*:*:*:* versions up to (excluding) h4.5.1 *cpe:2.3:a:qnap:quts_hero:h4.5.1:-:*:*:*:*:*:* *cpe:2.3:a:qnap:quts_hero:h4.5.1.1472:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions up to (excluding) 4.2.6 *cpe:2.3:o:qnap:qts:4.2.6:-:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20200109:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20200421:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20200611:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.2.6:build_20200821:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0358:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0358:beta1:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0370:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0370:beta1:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0372:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0372:beta1:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0374:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0374:beta1:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0387:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0387:beta2:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0411:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0416:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0427:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0434:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0435:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0451:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0483:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0486:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0506:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0516:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0526:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0551:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0557:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0561:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0569:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0593:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0597:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0604:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.0899:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.1029:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.1082:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.1190:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.1282:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.1368:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.1417:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.4.1463:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions from (including) 4.3.5 up to (excluding) 4.3.6 *cpe:2.3:o:qnap:qts:4.3.6:-:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.0895:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.0907:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.0923:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.0944:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.0959:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.0979:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.0993:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1013:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1033:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1070:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1154:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1218:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1263:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1286:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1333:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1411:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.3.6.1446:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* versions from (including) 4.4.0 up to (excluding) 4.5.1 *cpe:2.3:o:qnap:qts:4.5.1:-:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.5.1.1456:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.5.1.1461:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.5.1.1465:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.5.1.1480:*:*:*:*:*:*:* *cpe:2.3:o:qnap:qts:4.5.2:-:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

74.04 }} -0.09%

score

0.98770

percentile