CVE-2019-7193

QNAP QTS Improper Input Validation Vulnerability

  • Critical 9.8
  • Exploited: added to CISA KEV 8 Jun 2022
  • Used in ransomware campaigns

Description

This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions.

Key facts

Published
5 Dec 2019
Last changed
21 Oct 2025
Assigned by
qnap
KEV added
8 Jun 2022
KEV fix due
22 Jun 2022
Used in ransomware
Yes, according to CISA
EPSS
14.367% likely to be exploited in the next 30 days, higher than 96.672% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.8CVSS 3.1, Criticalfrom CISA (ADP container)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
n/aQNAP NAS devices
  • QTS 4.4.0 - QTS 4.4.1: before build 20190918, QTS 4.3.6: before build 20190919 (affected)

Timeline

  1. 5 Dec 2019 Published
  2. 8 Jun 2022 CVE-2019-7193 added to CISA KEV
  3. 8 Jun 2022 Added to the CISA KEV catalogue

Weakness

References