CVE-2020-36194

Name: CVE-2020-36194
Creator: NVD / NIST
Published: 2021-07-01T02:15:07.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2020-36194 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to inject malicious code. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

An XSS vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to inject malicious code. This issue affects: QNAP Systems Inc. QTS versions prior to 4.5.2.1566 Build 20210202. QNAP Systems Inc. QuTS hero versions prior to h4.5.2.1638 build 20210414. This issue does not affect: QNAP Systems Inc. QTS 4.5.3.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.58%

43.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Qnap	Qts	< 4.5.2.1566
Qnap	Quts Hero	< h4.5.2.1638

References

https://www.qnap.com/zh-tw/security-advisory/qsa-21-32Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/qsa-21-32Vendor Advisory

Timeline

Published: Jul 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36194?

How severe is CVE-2020-36194?

CVE-2020-36194 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36194?

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-2020-36194?

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

Scan your code now

Source: NVD / NIST