CVE-2018-19943

QNAP NAS File Station Cross-Site Scripting Vulnerability

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

Yes

*KEV

Decision

*SSVC

Descriptions

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later

Si es explotada esta vulnerabilidad de tipo cross-site scripting podría permitir a atacantes remotos inyectar código malicioso. QNAP ya ha corregido estos problemas en las siguientes versiones de QTS. QTS versión 4.4.2.1270 build 20200410 y posterior a QTS versión 4.4.1.1261 build 20200330 y posterior a QTS versión 4.3.6.1263 build 20200330 y posterior a QTS versión 4.3.4.1282 build 20200408 y posterior a QTS versión 4.3.3.1252 build 20200409 y posterior a QTS versión 4.2.6 build 20200421 y posterior

A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.

*Credits: Independent Security Evaluators

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* 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
2023-03-07 EPSS Updated
2024-08-05 CVE Updated
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

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 < 4.3.3.1252 Search vendor "Qnap" for product "Qts" and version " >= 4.3.1.0013 < 4.3.3.1252"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.3.4 < 4.3.4.1282 Search vendor "Qnap" for product "Qts" and version " >= 4.3.4 < 4.3.4.1282"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.3.6 < 4.3.6.1263 Search vendor "Qnap" for product "Qts" and version " >= 4.3.6 < 4.3.6.1263"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.4.0 < 4.4.1.1261 Search vendor "Qnap" for product "Qts" and version " >= 4.4.0 < 4.4.1.1261"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				>= 4.4.2 < 4.4.2.1270 Search vendor "Qnap" for product "Qts" and version " >= 4.4.2 < 4.4.2.1270"		-		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
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_20200109		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_20200421		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_20200611		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_20200821		Affected