#VU52525 Improper Authorization in HBS 3 Hybrid Backup Sync - CVE-2021-28799
Published: April 23, 2021 / Updated: March 31, 2022
Vulnerability identifier: #VU52525
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2021-28799
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
HBS 3 Hybrid Backup Sync
HBS 3 Hybrid Backup Sync
Software vendor:
QNAP Systems, Inc.
QNAP Systems, Inc.
Description
The 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.
Remediation
Install updates from vendor's website.