CVEs / CVE-2018-19949
CVE-2018-19949: QNAP NAS File Station Command Injection Vulnerability
- Known exploited in the CISA KEV catalog since 24 May 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 30.1% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
A command injection vulnerability affecting QNAP NAS File Station could allow remote attackers to run commands.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| QNAP Systems Inc. QTS | from unspecified, before 4.4.2.1231 | 4.4.2.1231 |
| QNAP Systems Inc. QTS | from unspecified, before 4.4.1.1201 | 4.4.1.1201 |
| QNAP Systems Inc. QTS | from unspecified, before 4.3.6.1218 | 4.3.6.1218 |
| QNAP Systems Inc. QTS | from unspecified, before 4.3.4.1190 | 4.3.4.1190 |
| QNAP Systems Inc. QTS | from unspecified, before 4.3.3.1161 | 4.3.3.1161 |
| QNAP Systems Inc. QTS | from unspecified, before 4.2.6 | 4.2.6 |
Exploitation
| In CISA KEV since | 24 May 2022 |
|---|---|
| Due date for US federal agencies | 14 Jun 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-20, CWE-77, CWE-78 |
References
- CVE-2018-19949 on NVD
- CVE-2018-19949 in the CISA KEV catalog
- https://www.qnap.com/zh-tw/security-advisory/qsa-20-01 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19949 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.