CVE-2020-2495

Cross-site scripting vulnerability in QTS and QuTS hero

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QANP have already fixed these vulnerabilities in the following versions of QTS and QuTS hero. QuTS hero h4.5.1.1472 build 20201031 and later QTS 4.5.1.1456 build 20201015 and later QTS 4.4.3.1354 build 20200702 and later QTS 4.3.6.1333 build 20200608 and later QTS 4.3.4.1368 build 20200703 and later QTS 4.3.3.1315 build 20200611 and later QTS 4.2.6 build 20200611 and later

Si era explotada, esta vulnerabilidad de tipo cross-site scripting podría permitir a atacantes remotos inyectar código malicioso en File Station. QNAP ya ha corregido estas vulnerabilidades en las siguientes versiones de QTS y QuTS hero. QuTS hero versión h4.5.1.1472 build 20201031 y posterior, QTS versión 4.5.1.1456 build 20201015 y posterior, QTS versión 4.4.3.1354 build 20200702 y posterior, QTS versión 4.3.6.1333 build 20200608 y posterior, QTS versión 4.3.4.1368 build 20200703 y posterior, QTS versión 4.3.3.1315 build 20200611 y posterior, QTS versión 4.2.6 build 20200611 y posterior

*Credits: Jan Hoff

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-09 CVE Reserved
2020-12-10 CVE Published
2023-12-13 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- 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/en/security-advisory/qsa-20-12	2021-06-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Qnap Search vendor "Qnap"		Quts Hero Search vendor "Qnap" for product "Quts Hero"				< 4.5.1.1472 Search vendor "Qnap" for product "Quts Hero" and version " < 4.5.1.1472"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				< 4.5.1.1456 Search vendor "Qnap" for product "Qts" and version " < 4.5.1.1456"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				< 4.4.3.1354 Search vendor "Qnap" for product "Qts" and version " < 4.4.3.1354"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				< 4.3.6.1333 Search vendor "Qnap" for product "Qts" and version " < 4.3.6.1333"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				< 4.3.4.1368 Search vendor "Qnap" for product "Qts" and version " < 4.3.4.1368"		-		Affected
Qnap Search vendor "Qnap"		Qts Search vendor "Qnap" for product "Qts"				< 4.3.3.1315 Search vendor "Qnap" for product "Qts" and version " < 4.3.3.1315"		-		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