CVE-2019-7193QNAP QTS Improper Input Validation Vulnerability

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.

9.8 CRITICALEPSS 14.36%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 02:40 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Dec 5, 2019
Assigner: qnap

Affected

QNAP NAS devices

Versions: QTS 4.4.0 - QTS 4.4.1: before build 20190918, QTS 4.3.6: before build 20190919

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Jun 8, 2022
KEV due date: Jun 22, 2022
Ransomware use: Known
SSVC: Exploitation active · Automatable yes · Impact total

EPSS · FIRST, scored Nov 8

14.36%chance of exploitation in 30 days

Higher than 96.63% of CVEs

CVSS 3.1 · NVD

9.8Critical

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

10.0High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack vector: Network
Attack complexity: Low
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0	HIGH	2.0NVD	AV:N/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Jun 22, 2022

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Details

CVE ID: CVE-2019-7193
Status: Analyzed
Assigner (CNA): qnap
Published: Dec 5, 2019
Last modified: 2026-06-17 02:40 UTC
Weaknesses: CWE-20

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 14:45 UTC.