CVE-2021-28809
Last modified
CVE-2021-28809 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later. EPSS estimates a 15.80% chance of exploitation in the next 30 days.
Description
An improper access control vulnerability has been reported to affect certain legacy versions of HBS 3. If exploited, this vulnerability allows attackers to compromise the security of the operating system.QNAP have already fixed this vulnerability in the following versions of HBS 3: QTS 4.3.6: HBS 3 v3.0.210507 and later QTS 4.3.4: HBS 3 v3.0.210506 and later QTS 4.3.3: HBS 3 v3.0.210506 and later
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qnap | Hybrid Backup Sync | < 3.0.210507 |
| Qnap | Hybrid Backup Sync | < 3.0.210506 |
References
- https://www.qnap.com/en/security-advisory/qsa-21-19Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-783/Third Party Advisory, VDB Entry
- https://www.qnap.com/en/security-advisory/qsa-21-19Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-783/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
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- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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