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Vulnerability record · CVE-2021-34362 · published 22 October 2021

CVE-2021-34362: Qnap media streaming add-on os command injection vulnerability

Qnap · Media Streaming Add On

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: 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

7.2 CVSS 3.1 High EPSS 1.3% · top 31.0% CWE-78 · OS command injectionCWE-77 · Command injection
7.2CVSS 3.1 base score, v2 6.5
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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: 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

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.qnap.com/en/security-advisory/qsa-21-44 Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-21-44 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-47222Qnap media streaming add-on path traversal vulnerabilityAn exposure of sensitive information vulnerability has been reported to affect Media Streaming add-on. If exploited, the vulnerability could allow us…EPSS 0.54%9.8CVE-2023-23369Qnap qts command injection vulnerabilityAn OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow…EPSS 15%9.8CVE-2020-36195Qnap qts improper input validation vulnerabilityAn SQL injection vulnerability has been reported to affect QNAP NAS running Multimedia Console or the Media Streaming add-on. If exploited, the vulne…EPSS 1.8%9.8CVE-2017-7640Qnap media streaming add-on os command injection vulnerabilityQNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier allows remote attackers to run arbitrary OS commands against th…EPSS 3.1%8.8CVE-2017-7641Qnap media streaming add-on cross-site request forgery vulnerabilityQNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier does not utilize CSRF protections.EPSS 0.45%6.9CVE-2024-50395Qnap media streaming add-on insecure direct object reference vulnerabilityAn authorization bypass through user-controlled key vulnerability has been reported to affect Media Streaming add-on. If exploited, the vulnerability…EPSS 1.4%6.6CVE-2023-47220Qnap media streaming add-on os command injection vulnerabilityAn OS command injection vulnerability has been reported to affect Media Streaming add-on. If exploited, the vulnerability could allow authenticated a…EPSS 1.2%6.5CVE-2017-7638Qnap media streaming add-on improper authentication vulnerabilityQNAP NAS application Media Streaming add-on version 421.1.0.2, 430.1.2.0, and earlier does not authenticate requests properly. Successful exploitatio…EPSS 0.67%

Source: NIST National Vulnerability Database (record CVE-2021-34362), CISA KEV, FIRST EPSS (scores of 2026-10-12). This page is refreshed as NVD updates the record.