A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.0, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction . The vulnerability impacts limited data confidentiality, limited integrity, and availability (service disruption) for affected systems. Impacting 3 products from qnap, from qnap, from qnap organizations running these solutions should prioritize assessment and patching.
Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2021-09-10T04:15:18.073
2024-11-21T06:10:12.390
Modified
CVSSv3.1: 6.0 (MEDIUM)
AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | qnap | qts | < 4.3.3.1693 | Yes |
| Operating System | qnap | qts | < 4.3.6.1750 | Yes |
| Operating System | qnap | qts | < 4.5.4.1715 | Yes |
| Operating System | qnap | qts | < 5.0.0.1716 | Yes |
| Operating System | qnap | quts_hero | < h4.5.4.1771 | Yes |
| Operating System | qnap | qutscloud | < c4.5.6.1755 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For qnap's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.