CVE-2021-28809

An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later
References
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.3.6:-:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.3.4:-:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.3.3:-:*:*:*:*:*:*

History

12 Jul 2021, 16:37

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 10.0
v3 : 9.8
CPE cpe:2.3:a:qnap:hybrid_backup_sync:*:*:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.3.4:-:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.3.6:-:*:*:*:*:*:*
cpe:2.3:o:qnap:qts:4.3.3:-:*:*:*:*:*:*
References
  • (MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-783/ - Third Party Advisory, VDB Entry
References (MISC) https://www.qnap.com/en/security-advisory/qsa-21-19 - (MISC) https://www.qnap.com/en/security-advisory/qsa-21-19 - Vendor Advisory

08 Jul 2021, 12:14

Type Values Removed Values Added
CWE CWE-284
CWE-749
CWE-306

08 Jul 2021, 08:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-07-08 08:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-28809

Mitre link : CVE-2021-28809

CVE.ORG link : CVE-2021-28809


JSON object : View

Products Affected

qnap

  • qts
  • hybrid_backup_sync
CWE
CWE-284

Improper Access Control

CWE-306

Missing Authentication for Critical Function

CWE-749

Exposed Dangerous Method or Function