Vulnerability Description
A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Surveillance Station: QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later QTS 4.3.3: Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qnap | Surveillance Station | < 5.2.0.4.2 |
| Qnap | Qts | 5.0.0 |
Related Weaknesses (CWE)
References
- https://www.qnap.com/en/security-advisory/qsa-21-46Vendor Advisory
- https://www.qnap.com/en/security-advisory/qsa-21-46Vendor Advisory
FAQ
What is CVE-2021-38687?
CVE-2021-38687 is a vulnerability with a CVSS score of 8.1 (HIGH). A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fi...
How severe is CVE-2021-38687?
CVE-2021-38687 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-38687?
Check the references section above for vendor advisories and patch information. Affected products include: Qnap Surveillance Station, Qnap Qts.