Command Injection Vulnerability in QVR
Priority MEDIUM 45CWE-78Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.
Summary
A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of QVR: QVR 5.1.5 build 20210902 and later
Why it matters now
EPSS 0.01477 74th percentileScored 2026-11-07
Fix Fixed QVR (QNAP Systems Inc.): 5.1.5 build 20210902
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA QVR (QNAP Systems Inc.) Fixed in 5.1.5 build 20210902
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34352
- 2026-10-03 Alias added: GHSA-w526-38c2-jc6q
References
More QNAP Qvr vulnerabilities
- TI-2025-32893 Improper authentication in QNAP VioStor CVSS 4.0CRITICAL 9.3
- TI-2022-10579 Vulnerability in QVR CVSS 3.1CRITICAL 9.8
- TI-2021-16256 Command Injection Vulnerability in VioStor CVSS 3.1CRITICAL 9.8
- TI-2021-13391 Command Injection Vulnerability in QVR CVSS 3.1CRITICAL 9.8
- TI-2021-13389 Command Injection Vulnerability in QVR CVSS 3.1CRITICAL 9.8
- TI-2021-16257 Improper Authentication Vulnerability in VioStor CVSS 3.1HIGH 8.8
Sources
- CVE-2021-34352 · CVE Program
- CVE-2021-34352 · NVD
- FIRST EPSS
- GHSA-w526-38c2-jc6q · GitHub Advisory Database · CC BY 4.0
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