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TI-2021-13391 Aliases CVE-2021-34351GHSA-grvw-7h5x-qrx9

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 · CNA. 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 20210803 and later

Why it matters now

EPSS 0.01471 73rd percentileScored 2026-11-07
Fix Fixed QVR (QNAP Systems Inc.): 5.1.5 build 20210803

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPQVRbefore 5.1.5 build 202108035.1.5 build 20210803Patch availableCNA
  • QVR VendorQNAP Affected before 5.1.5 build 20210803 Fixed in 5.1.5 build 20210803 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:qnap:qvr:*:*:*:*:*:*:*:*before 5.1.5VulnerableQNAP
  • cpe:2.3:a:qnap:qvr:*:*:*:*:*:*:*:* Versions before 5.1.5 Vulnerable ·QNAP

Remediation

  • Fix · CNA QVR (QNAP Systems Inc.) Fixed in 5.1.5 build 20210803

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    QNAP Systems QVR 5.1.5 build 20210803

    3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2021-13389 Command Injection Vulnerability in QVRPriority MEDIUM 45
    • TI-2021-13390 Command Injection Vulnerability in QVRPriority LOW 35
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34351
  2. 2026-10-03 Alias added: GHSA-grvw-7h5x-qrx9

References

Advisory 1

  • 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-2021-13392 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
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences