Command injection in QNAP QTS
Priority LOW 36CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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
If exploited, the command injection vulnerability could allow remote attackers to execute arbitrary commands. This issue affects: QNAP Systems Inc. QTS versions prior to 4.4.3.1421 on build 20200907.
Why it matters now
EPSS 0.02205 82nd percentileScored 2026-11-07
Fix Fixed QTS (QNAP Systems Inc.): 4.4.3.1421
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA QTS (QNAP Systems Inc.) Fixed in 4.4.3.1421
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
QNAP Systems QTS 4.4.3.1421
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2020-02204 Command injection in QNAP QTSPriority LOW 35
Timeline
- 2026-10-02 Threatist record created from CVE-2020-2490
- 2026-10-03 Alias added: GHSA-2q45-953f-m2g9
References
More QNAP Qts vulnerabilities
- 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
Sources
- CVE-2020-2490 · CVE Program
- CVE-2020-2490 · NVD
- FIRST EPSS
- GHSA-2q45-953f-m2g9 · GitHub Advisory Database · CC BY 4.0
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