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TI-2020-15838 Aliases CVE-2020-25847GHSA-8q2c-xwcr-7mj4

Command Injection Vulnerability in QTS and QuTS hero

Priority MEDIUM 43CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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-77.

Summary

This command injection vulnerability allows attackers to execute arbitrary commands in a compromised application. QNAP have already fixed this vulnerability in the following versions of QTS and QuTS hero.

Why it matters now

EPSS 0.02581 85th percentileScored 2026-11-07
Fix Fixed QTS (QNAP Systems Inc.): 4.5.1.1495, 4.3.x, 4.2.xQuTS hero (QNAP Systems Inc.): h4.5.1.1491

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPQTSbefore 4.5.1.14954.5.1.1495Patch availableCNA
QNAPQTSup to 4.4.3.1444—No fix listedCNA
QNAPQTS—4.3.x, 4.2.xPatch availableCNA
QNAPQuTS herobefore h4.5.1.1491h4.5.1.1491Patch availableCNA
  • QTS VendorQNAP Affected before 4.5.1.1495 Fixed in 4.5.1.1495 Patch available CNA
  • QTS VendorQNAP Affected up to 4.4.3.1444 Fixed in — No fix listed CNA
  • QTS VendorQNAP Affected — Fixed in 4.3.x, 4.2.x Patch available CNA
  • QuTS hero VendorQNAP Affected before h4.5.1.1491 Fixed in h4.5.1.1491 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*before 4.5.1.1495VulnerableQNAP
cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*before h4.5.1.1491VulnerableQNAP
  • cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* Versions before 4.5.1.1495 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* Versions before h4.5.1.1491 Vulnerable ·QNAP

Remediation

  • Fix · CNA QTS (QNAP Systems Inc.) Fixed in 4.5.1.1495
  • Fix · CNA QTS (QNAP Systems Inc.) Fixed in 4.3.x, 4.2.x
  • Fix · CNA QuTS hero (QNAP Systems Inc.) Fixed in h4.5.1.1491

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-25847
  2. 2026-10-03 Alias added: GHSA-8q2c-xwcr-7mj4

References

Advisory 1

  • 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

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