Vulnerabilities > CVE-2021-28809 - Unspecified vulnerability in Qnap Hybrid Backup Sync 3.0.210411/3.0.210412/3.0.210506
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 4 | |
| OS | 3 |