CVE-2021-38674

Reflected XSS Vulnerability in TFTP

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A cross-site scripting (XSS) vulnerability has been reported to affect QTS, QuTS hero and QuTScloud. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QTS, QuTS hero and QuTScloud: QuTS hero h4.5.4.1771 build 20210825 and later QTS 4.5.4.1787 build 20210910 and later QuTScloud c4.5.7.1864 and later

Se ha informado de una vulnerabilidad de tipo cross-site scripting (XSS) que afecta a QTS, QuTS hero y QuTScloud. Si es explotado, esta vulnerabilidad permite a atacantes remotos inyectar código malicioso. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QTS, QuTS hero y QuTScloud: QuTS hero h4.5.4.1771 build 20210825 y posteriores QTS 4.5.4.1787 build 20210910 y posteriores QuTScloud c4.5.7.1864 y posteriores

*Credits: Tony Martin, a security researcher

CVSS Scores

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

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

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

2021-08-13 CVE Reserved
2022-01-07 CVE Published
2024-08-12 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')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.qnap.com/en/security-advisory/qsa-21-63	2022-01-14

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"				< 4.5.4.1787 Search vendor "Qnap" for product "Qts" and version " < 4.5.4.1787"		-		Affected
Qnap Search vendor "Qnap"		Quts Hero Search vendor "Qnap" for product "Quts Hero"				< h4.5.4.1771 Search vendor "Qnap" for product "Quts Hero" and version " < h4.5.4.1771"		-		Affected
Qnap Search vendor "Qnap"		Qutscloud Search vendor "Qnap" for product "Qutscloud"				< c4.5.7.1864 Search vendor "Qnap" for product "Qutscloud" and version " < c4.5.7.1864"		-		Affected