CVE-2021-28799
published 2021-05-13CVE-2021-28799: An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If exploited, the vulnerability allows remote…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
KEVITWEXPLOIT
CISA Known Exploited Vulnerabilitydue 2022-04-21
Exploited in the wild
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 .
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| qnap | hybrid_backup_sync | < 16.0.0415 | 16.0.0415 |
| qnap | hybrid_backup_sync | < 3.0.210412 | 3.0.210412 |
| qnap | hybrid_backup_sync | < 3.0.210411 | 3.0.210411 |
| qnap | hybrid_backup_sync | < 16.0.0419 | 16.0.0419 |
| qnap_systems_inc | hbs_3 | >= unspecified < v16.0.0415 | v16.0.0415 |
| qnap_systems_inc | hbs_3 | >= unspecified < v3.0.210412 | v3.0.210412 |
| qnap_systems_inc | hbs_3 | >= unspecified < v3.0.210411 | v3.0.210411 |
| qnap_systems_inc | hbs_3 | >= unspecified < v16.0.0419 | v16.0.0419 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vulncheck10.0CRITICAL
cisa9.8CRITICAL