CVEvulnerability

CVE-2018-19949

9.8 CRITICAL Known exploited Published 2020-10-28 Modified 2026-10-02 Official page ↗

CISA Known Exploited Vulnerability

QNAP NAS File Station Command Injection Vulnerability — QNAP Network Attached Storage (NAS)

A command injection vulnerability affecting QNAP NAS File Station could allow remote attackers to run commands.

Added to KEV
2022-05-24
Remediation due
2022-06-14
Ransomware use
Known
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2018-19949
Status
Analyzed
Published
2020-10-28
Last modified
2026-10-02
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-20, CWE-77, CWE-78

Description

If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.

Affected configurations

• qnap qts (< 4.2.6) • qnap qts (>= 4.3.1.0013 < 4.3.3.1161) • qnap qts (>= 4.3.4 < 4.3.4.1190) • qnap qts (>= 4.3.6 < 4.3.6.1218) • qnap qts (>= 4.4.0 < 4.4.1.1201) • qnap qts (>= 4.4.2 < 4.4.2.1231) • qnap qts 4.2.6

Related

Weakness · CWE (3)

  • CWE-20 Improper Input Validation weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References