Is CVE-2018-19949 actively exploited?

CVE-2018-19949 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2018-19949?

CVE-2018-19949 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-19949?

Patch guidance is available from qnap security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-19949.

Which products are affected by CVE-2018-19949?

12 products: qnap qts, qnap qts, qnap qts, qnap qts, qnap qts, and 7 more.

Fix CVE-2018-19949 - CRITICAL qnap qts

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-20 · Improper Input Validation CWE-77 · Command Injection CWE-78 · OS Command Injection CWE-77 · Command Injection

Metadata

Primary Vendor: QNAP
Published: 10/28/2020
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

qnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qtsqnap : qts

Remediation Guidance

Executive Summary

View on NIST NVD