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 .
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| QNAP Systems | HBS 3 | unspecified – < v16.0.0415, unspecified – < v3.0.210412, unspecified – < v3.0.210411, unspecified – < v16.0.0419 | v16.0.0415 |
| QNAP Systems | HBS 2 | — | all versions |
| QNAP Systems | HBS 1.3 | — | all versions |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- QNAP HBS 3 - Broken Access Control http/cves/2021/CVE-2021-28799.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.