CVE-2021-28799
Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync)
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- March 18, 2021
- Published Date
- May 13, 2021
- Last Updated
- February 04, 2025
- Vendor
- QNAP Systems Inc.
- Product
- HBS 3, HBS 2, HBS 1.3
- Description
- An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote attackers to log in to a device. This issue affects: QNAP Systems Inc. HBS 3 versions prior to v16.0.0415 on QTS 4.5.2; versions prior to v3.0.210412 on QTS 4.3.6; versions prior to v3.0.210411 on QTS 4.3.4; versions prior to v3.0.210411 on QTS 4.3.3; versions prior to v16.0.0419 on QuTS hero h4.5.1; versions prior to v16.0.0419 on QuTScloud c4.5.1~c4.5.4. This issue does not affect: QNAP Systems Inc. HBS 2 . QNAP Systems Inc. HBS 1.3 .
CVSS Scores
CVSS v3.1
10.0 - CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC Information
- Exploitation
- active
- Automatable
- Yes
- Technical Impact
- total
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CISA | 2022-03-31 00:00:00 UTC |