What is CVE-2019-7193?

CVE-2019-7193 is a critical-severity vulnerability in QNAP Qts, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2019-12-05.

How severe is CVE-2019-7193?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2019-7193 known to be exploited?

Yes. CVE-2019-7193 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.

Improper input validation in QNAP Qts

CVE-2019-7193

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2019-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.144 (96.6th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.144 · newest: 0.144 · change: 0.000

Affected products

QNAP Qts — versions 4.3.6.0895, 4.3.6.0907, 4.3.6.0923
QNAP Nas Devices — versions QTS 4.4.0 - QTS 4.4.1: before build 20190918, QTS 4.3.6: before build 20190919

Weakness classification (CWE)

CWE-20 — Improper Input Validation

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-06-08. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-06-22.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

www.qnap.com/zh-tw/security-advisory/nas-201911-25 (Vendor Advisory)
packetstormsecurity.com/files/157857/QNAP-QTS-And-Photo-Station-6.0.3-Remote-Co… (Exploit, VDB Entry, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-7193?: CVE-2019-7193 is a critical-severity vulnerability in QNAP Qts, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2019-12-05.
How severe is CVE-2019-7193?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-7193 known to be exploited?: Yes. CVE-2019-7193 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.