CVE-2021-28815

Insecure Storage of Sensitive Information in myQNAPcloud Link

Severity Score

4.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Insecure storage of sensitive information has been reported to affect QNAP NAS running myQNAPcloud Link. If exploited, this vulnerability allows remote attackers to read sensitive information by accessing the unrestricted storage mechanism. This issue affects: QNAP Systems Inc. myQNAPcloud Link versions prior to 2.2.21 on QTS 4.5.3; versions prior to 2.2.21 on QuTS hero h4.5.2; versions prior to 2.2.21 on QuTScloud c4.5.4.

Se ha reportado de que el almacenamiento no seguro de información confidencial afecta a los NAS de QNAP que ejecutan myQNAPcloud Link. Si es explotado, esta vulnerabilidad permite a atacantes remotos leer información confidencial accediendo al mecanismo de almacenamiento sin restricciones. Este problema afecta a: Versiones de myQNAPcloud Link de QNAP Systems Inc. anteriores a 2.2.21 en QTS versiones 4.5.3; versiones anteriores a 2.2.21 en QuTS hero versiones h4.5.2; versiones anteriores a 2.2.21 en QuTScloud versiones c4.5.4

*Credits: CJ Fairhead

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-18 CVE Reserved
2021-06-16 CVE Published
2024-06-04 EPSS Updated
2024-09-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-922: Insecure Storage of Sensitive Information

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.qnap.com/zh-tw/security-advisory/qsa-21-26	2021-06-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Qnap Search vendor "Qnap"	Myqnapcloud Link Search vendor "Qnap" for product "Myqnapcloud Link"	< 2.2.21 Search vendor "Qnap" for product "Myqnapcloud Link" and version " < 2.2.21"	-	Affected	in	Qnap Search vendor "Qnap"	Qts Search vendor "Qnap" for product "Qts"	4.5.3 Search vendor "Qnap" for product "Qts" and version "4.5.3"	-	Safe
Qnap Search vendor "Qnap"	Myqnapcloud Link Search vendor "Qnap" for product "Myqnapcloud Link"	< 2.2.21 Search vendor "Qnap" for product "Myqnapcloud Link" and version " < 2.2.21"	-	Affected	in	Qnap Search vendor "Qnap"	Quts Hero Search vendor "Qnap" for product "Quts Hero"	h4.5.2 Search vendor "Qnap" for product "Quts Hero" and version "h4.5.2"	-	Safe
Qnap Search vendor "Qnap"	Myqnapcloud Link Search vendor "Qnap" for product "Myqnapcloud Link"	< 2.2.21 Search vendor "Qnap" for product "Myqnapcloud Link" and version " < 2.2.21"	-	Affected	in	Qnap Search vendor "Qnap"	Qutscloud Search vendor "Qnap" for product "Qutscloud"	c4.5.4 Search vendor "Qnap" for product "Qutscloud" and version "c4.5.4"	-	Safe