CVE-2021-28809
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD
Description
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
Affected (2)
Products: Qnap: Hybrid Backup Sync
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 3.0.210507 |
| Running on/with | Platform Versions |
|---|---|
Qnap Qts | Version 4.3.6 |
Configuration B
| Running on/with | Platform Versions |
|---|---|
Qnap Qts | Version 4.3.4 |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Before 3.0.210506 |
| Running on/with | Platform Versions |
|---|---|
Qnap Qts | Version 4.3.3 |
Related CWEs
CWE-284
Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CWE-306
Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
CWE-749
Exposed Dangerous Method or Function
The product provides an Applications Programming Interface (API) or similar interface for interaction with external actors, but the interface includes a dangerous method or function that is not properly restricted.
References (4)
Source: security@qnapsecurity.com.tw
Vendor Advisory
Source: security@qnapsecurity.com.tw
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Timeline
No history available yet.