CVE-2018-19949

CRITICAL KEV RANSOMWARE

QNAP QTS < 4.2.6 - OS Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2018-19949 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 24, 2022, with confirmed use in ransomware campaigns.

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.

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.4417
EPSS Percentile 97.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable yes
Technical Impact total

Details

CISA KEV 2022-05-24
VulnCheck KEV 2020-06-05
InTheWild.io 2020-06-08
ENISA EUVD EUVD-2018-11620
Ransomware Use Confirmed
CWE
CWE-78 CWE-20 CWE-77
Status published
Products (2)
qnap/qts 4.2.6 (6 CPE variants)
qnap/qts < 4.2.6
Published Oct 28, 2020
KEV Added May 24, 2022
Tracked Since Feb 18, 2026