Cyber Resilience

CVE-2021-34362

HighRCE

Published: 22 October 2021

Published
22 October 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
EPSS Score 0.0110 78.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34362 is a high-severity OS Command Injection (CWE-78) vulnerability in Qnap Qts. Its CVSS base score is 8.7 (High).

Operationally, ranked in the top 21.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A command injection vulnerability has been reported to affect QNAP device running Media Streaming add-on. If exploited, this vulnerability allow remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of Media Streaming add-on:…

more

QTS 5.0.0: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later QTS 4.5.4: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later QTS 4.3.6: Media Streaming add-on 430.1.8.12 ( 2021/08/20 ) and later QTS 4.3.3: Media Streaming add-on 430.1.8.12 ( 2021/09/29 ) and later QuTS-Hero 5.0.0: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later

CWE(s)

Related Threats

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

Affected Assets

qnap
media streaming add-on
≤ 500.0.0.3 · ≤ 430.1.8.12 · ≤ 500.0.0.3

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-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References