// For flags

CVE-2021-44053

Reflected XSS

Severity Score

6.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running 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: QTS 4.5.4.1991 build 20220329 and later QTS 5.0.0.1986 build 20220324 and later QuTS hero h5.0.0.1986 build 20220324 and later QuTS hero h4.5.4.1971 build 20220310 and later QuTScloud c5.0.1.1949 and later

Se ha informado de una vulnerabilidad de tipo cross-site scripting (XSS) que afecta al dispositivo de QNAP que ejecuta QTS, QuTS hero y QuTScloud. Si es explotada, esta vulnerabilidad permite a atacantes remotos inyectar código malicioso. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QTS, QuTS hero y QuTScloud: QTS 4.5.4.1991 build 20220329 y posteriores QTS 5.0.0.1986 build 20220324 y posteriores QuTS hero h5.0.0.1986 build 20220324 y posteriores QuTS hero h4.5.4.1971 build 20220310 y posteriores QuTScloud c5.0.1.1949 y posteriores

*Credits: Enio Pena Navarro and Michael Messner from Siemens Energy AG
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
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
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
  • 2021-11-19 CVE Reserved
  • 2022-05-05 CVE Published
  • 2023-11-26 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)
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"
>= 5.0.0.1716 < 5.0.0.1986
Search vendor "Qnap" for product "Qts" and version " >= 5.0.0.1716 < 5.0.0.1986"
-
Affected
Qnap
Search vendor "Qnap"
Qts
Search vendor "Qnap" for product "Qts"
>= 4.3.3.0174 < 4.3.3.1945
Search vendor "Qnap" for product "Qts" and version " >= 4.3.3.0174 < 4.3.3.1945"
-
Affected
Qnap
Search vendor "Qnap"
Qts
Search vendor "Qnap" for product "Qts"
>= 4.3.4.0899 < 4.3.4.1976
Search vendor "Qnap" for product "Qts" and version " >= 4.3.4.0899 < 4.3.4.1976"
-
Affected
Qnap
Search vendor "Qnap"
Qts
Search vendor "Qnap" for product "Qts"
>= 4.3.6.0895 < 4.3.6.1965
Search vendor "Qnap" for product "Qts" and version " >= 4.3.6.0895 < 4.3.6.1965"
-
Affected
Qnap
Search vendor "Qnap"
Qts
Search vendor "Qnap" for product "Qts"
>= 4.4.0.0883 < 4.5.4.1991
Search vendor "Qnap" for product "Qts" and version " >= 4.4.0.0883 < 4.5.4.1991"
-
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
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_20210327
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_20211215
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"
Quts Hero
Search vendor "Qnap" for product "Quts Hero"
>= h5.0.0.1772 < h5.0.0.1986
Search vendor "Qnap" for product "Quts Hero" and version " >= h5.0.0.1772 < h5.0.0.1986"
-
Affected
Qnap
Search vendor "Qnap"
Qutscloud
Search vendor "Qnap" for product "Qutscloud"
< c5.0.1.1998
Search vendor "Qnap" for product "Qutscloud" and version " < c5.0.1.1998"
-
Affected