CVE-2018-19949

QNAP NAS File Station Command Injection Vulnerability

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.

Si es explotada, esta vulnerabilidad de inyección de comandos podría permitir a atacantes remotos ejecutar comandos arbitrarios. QNAP ya ha corregido el problema en las siguientes versiones de QTS. QTS versión 4.4.2.1231 en build 20200302; QTS versión 4.4.1.1201 en build 20200130; QTS versión 4.3.6.1218 en build 20200214; QTS versión 4.3.4.1190 en build 20200107; QTS versión 4.3.3.1161 en build 20200109; QTS versión 4.2.6 en build 20200109

A command injection vulnerability affecting QNAP NAS File Station could allow remote attackers to run commands.

*Credits: Independent Security Evaluators

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-12-07 CVE Reserved
2020-10-28 CVE Published
2022-05-24 Exploited in Wild
2022-06-14 KEV Due Date
2023-07-14 EPSS Updated
2024-08-05 CVE Updated
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.qnap.com/zh-tw/security-advisory/qsa-20-01	2020-11-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				< 4.2.6 Search vendor "Qnap" for product "Qts" and version " < 4.2.6"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.3.1.0013 < 4.3.3.1161 Search vendor "Qnap" for product "Qts" and version " >= 4.3.1.0013 < 4.3.3.1161"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.3.4 < 4.3.4.1190 Search vendor "Qnap" for product "Qts" and version " >= 4.3.4 < 4.3.4.1190"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.3.6 < 4.3.6.1218 Search vendor "Qnap" for product "Qts" and version " >= 4.3.6 < 4.3.6.1218"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.4.0 < 4.4.1.1201 Search vendor "Qnap" for product "Qts" and version " >= 4.4.0 < 4.4.1.1201"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.4.2 < 4.4.2.1231 Search vendor "Qnap" for product "Qts" and version " >= 4.4.2 < 4.4.2.1231"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				4.2.6 Search vendor "Qnap" for product "Qts" and version "4.2.6"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				4.2.6 Search vendor "Qnap" for product "Qts" and version "4.2.6"		build_20170517		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				4.2.6 Search vendor "Qnap" for product "Qts" and version "4.2.6"		build_20190322		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				4.2.6 Search vendor "Qnap" for product "Qts" and version "4.2.6"		build_20190730		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				4.2.6 Search vendor "Qnap" for product "Qts" and version "4.2.6"		build_20190921		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				4.2.6 Search vendor "Qnap" for product "Qts" and version "4.2.6"		build_20191107		Affected