CVE advisoryKnown Exploit
CVE-2021-28799
QNAP NAS HBS 3 Unauthorized Access Vulnerability
Halo Surface Signal: 4 out of 5 — likely to be public-facing.
An improper authorization vulnerability in QNAP NAS devices using HBS 3 allows remote attackers to log in. This can lead to unauthorized access to sensitive data stored on the devices, presenting a significant business risk.