Cyber Resilience

CVE-2021-38681

Medium

Published: 20 November 2021

Published
20 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score 0.0025 48.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-38681 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Qnap Ragic Cloud Db. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 48.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A reflected cross-site scripting (XSS) vulnerability has been reported to affect QNAP NAS running Ragic Cloud DB. If exploited, this vulnerability allows remote attackers to inject malicious code. QNAP have already disabled and removed Ragic Cloud DB from the QNAP…

more

App Center, pending a security patch from Ragic.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

qnap
ragic cloud db
≤ 3.7.0.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References