If exploited, the command injection vulnerability could allow remote attackers to execute arbitrary commands.

published 2020-11-16 5y ago modified 2026-06-17 4mo ago also EUVD-2020-22285

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

QNAP Systems Inc. QTS 4.4.3.1421

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Exploit prediction

1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

QNAP Systems Inc. QTS

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

qnap.com /en/security-advisory/qsa-20-09
vendor-advisory

Sources

CVE List CVE-2020-2492
NVD CVE-2020-2492

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