CVE-2018-19944

Name: CVE-2018-19944
Creator: NVD / NIST
Published: 2020-12-31T17:15:12.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.82%

Last modified Jun 17, 2026

CVE-2018-19944 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A cleartext transmission of sensitive information vulnerability has been reported to affect certain QTS devices. If exploited, this vulnerability allows a remote attacker to gain access to sensitive information. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

A cleartext transmission of sensitive information vulnerability has been reported to affect certain QTS devices. If exploited, this vulnerability allows a remote attacker to gain access to sensitive information. QNAP have already fixed this vulnerability in the following versions: QTS 4.4.3.1354 build 20200702 (and later)

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.82%

52.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qnap	Qts	< 4.4.3.1354

References

https://www.qnap.com/zh-tw/security-advisory/qsa-20-22Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-20-22Vendor Advisory

Timeline

Published: Dec 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19944?

How severe is CVE-2018-19944?

CVE-2018-19944 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19944?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19944?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST