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 10.0 CRITICAL
CVSS v2.0 7.5 HIGH

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

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
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

21 Nov 2024, 06:00

Type	Values Removed	Values Added
References	~~() https://www.qnap.com/en/security-advisory/QSA-21-13 - Vendor Advisory~~	() https://www.qnap.com/en/security-advisory/QSA-21-13 - Vendor Advisory
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 10.0

Information

Published : 2021-05-13 03:15

Updated : 2025-03-12 20:57

NVD link : CVE-2021-28799

Mitre link : CVE-2021-28799

CVE.ORG link : CVE-2021-28799

JSON object : View

Products Affected

qnap

qts
quts_hero
hybrid_backup_sync
qutscloud

CWE

CWE-285

Improper Authorization

NVD-CWE-Other

Show plain JSON

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