CVE-2021-40392

Name: CVE-2021-40392
Creator: NVD / NIST
Published: 2022-04-14T20:15:08.747+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2021-40392 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An information disclosure vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. Network sniffing can lead to a disclosure of sensitive information. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4. Network sniffing can lead to a disclosure of sensitive information. An attacker can sniff network traffic to exploit this vulnerability.

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

0.57%

42.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moxa	Mxview	3.2.4

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1403Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1403Exploit, Third Party Advisory

Timeline

Published: Apr 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40392?

How severe is CVE-2021-40392?

CVE-2021-40392 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40392?

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-2021-40392?

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

Scan your code now

Source: NVD / NIST