CVE-2021-28799

An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.210411 on QTS 4.3.4; versions prior to v3.0.210411 on QTS 4.3.3; versions prior to v16.0.0419 on QuTS hero h4.5.1; versions prior to v16.0.0419 on QuTScloud c4.5.1~c4.5.4. This issue does not affect: QNAP Systems Inc. HBS 2 . QNAP Systems Inc. HBS 1.3 .

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.qnap.com/en/security-advisory/QSA-21-13	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

cpe:2.3:a:qnap:qts:4.5.2:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qts:4.3.6:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

OR	cpe:2.3:a:qnap:qts:4.3.3:::::::*
	cpe:2.3:a:qnap:qts:4.3.4:::::::*

Configuration 4 (hide)

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:quts_hero:h4.5.1:*:*:*:*:*:*:*

Configuration 5 (hide)

AND

cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*

cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*

History

14 Nov 2023, 19:26

Type	Values Removed	Values Added
CPE	cpe:2.3:a:qnap:qts:4.3.6:::::::*	cpe:2.3:o:qnap:qts:4.3.6:::::::*

14 Jul 2022, 15:42

Type	Values Removed	Values Added
CWE	~~CWE-863~~	NVD-CWE-Other

21 Jun 2021, 16:57

Type	Values Removed	Values Added
CPE	cpe:2.3:a:qnap:quts_hero:h4.5.1:::::::*	cpe:2.3:o:qnap:quts_hero:h4.5.1:::::::*

01 Jun 2021, 20:05

Type	Values Removed	Values Added
CWE		CWE-863
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
References	~~(MISC) https://www.qnap.com/en/security-advisory/QSA-21-13 -~~	(MISC) https://www.qnap.com/en/security-advisory/QSA-21-13 - Vendor Advisory
CPE		cpe:2.3:a:qnap:quts_hero:h4.5.1:::::::* cpe:2.3:a:qnap:qts:4.3.3:::::::* cpe:2.3:o:qnap:qutscloud:::::::: cpe:2.3:a:qnap:qts:4.5.2:::::::* cpe:2.3:a:qnap:qts:4.3.6:::::::* cpe:2.3:a:qnap:hybrid_backup_sync:::::::: cpe:2.3:a:qnap:qts:4.3.4:::::::*

13 May 2021, 03:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-05-13 03:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-28799

Mitre link : CVE-2021-28799

CVE.ORG link : CVE-2021-28799

JSON object : View

Products Affected

qnap

quts_hero
qutscloud
qts
hybrid_backup_sync

CWE

NVD-CWE-Other CWE-285

Improper Authorization

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