Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-28799 |
CWE-ID | CWE-285 |
Exploitation vector | Network |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software Subscribe |
HBS 3 Hybrid Backup Sync Server applications / Other server solutions |
Vendor |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU52525
Risk: High
CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2021-28799
CWE-ID:
CWE-285 - Improper Authorization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to insufficient authorization checks. A remote attacker can bypass authorization checking and log in to a device.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHBS 3 Hybrid Backup Sync: before 16.0.0419
External linkshttp://www.qnap.com/en/security-advisory/qsa-21-13
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.