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TI-2021-09794 Aliases CVE-2021-28802GHSA-777p-2jpw-g9gh

Command Injection Vulnerabilities in QTS and QuTS hero

Priority MEDIUM 46CWE-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 vulnerabilities have been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.1.1540 build 20210107. QNAP Systems Inc. QuTS hero versions prior to h4.5.1.1582 build 20210217.

Why it matters now

EPSS 0.01816 78th percentileScored 2026-11-07
Fix Fixed QTS (QNAP Systems Inc.): 4.5.1.1540 build 20210107QuTS hero (QNAP Systems Inc.): h4.5.1.1582 build 20210217

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPQTSbefore 4.5.1.1540 build 202101074.5.1.1540 build 20210107Patch availableCNA
QNAPQuTS herobefore h4.5.1.1582 build 20210217h4.5.1.1582 build 20210217Patch availableCNA
  • QTS VendorQNAP Affected before 4.5.1.1540 build 20210107 Fixed in 4.5.1.1540 build 20210107 Patch available CNA
  • QuTS hero VendorQNAP Affected before h4.5.1.1582 build 20210217 Fixed in h4.5.1.1582 build 20210217 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*before 4.5.1.1540VulnerableQNAP
cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*before h4.5.1.1582VulnerableQNAP
  • cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* Versions before 4.5.1.1540 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* Versions before h4.5.1.1582 Vulnerable ·QNAP

Remediation

  • Fix · CNA QTS (QNAP Systems Inc.) Fixed in 4.5.1.1540 build 20210107
  • Fix · CNA QuTS hero (QNAP Systems Inc.) Fixed in h4.5.1.1582 build 20210217

Fixed in the same release

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

  • Release ·

    QNAP Systems QTS, QuTS hero 4.5.1.1540 build 20210107, h4.5.1.1582 build 20210217

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2021-09796 Command Injection Vulnerabilities in QTS and QuTS heroPriority MEDIUM 46

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28802
  2. 2026-10-03 Alias added: GHSA-777p-2jpw-g9gh

References

  • TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-14137 Improper input validation in QNAP QTS KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-14131 Cross-site scripting in QNAP QTS KEVCVSS 3.1HIGH 8.0
See all 282 →

Sources