CVE•Published 2020-10-28•Modified 2026-10-02•1 article on news•6 live references•NVD data

CVE-2018-19949Qnap · Qts

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 2% of all CVEs

Weaknesses (CWE)

CWE-20Improper Input Validation CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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.

Timeline

Published 2020-10-28

Modified 2026-10-02

External references

NVD MITRE Exploit-DB GitHub PoC trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2018-19949

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Qts"

Hosts Shodan identified as running Qts.

More intel sources (5)

Shodan report

vuln:CVE-2018-19949

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2018-19949