CVE-2021-45421

Name: CVE-2021-45421
Creator: NVD / NIST
Published: 2022-02-14T14:15:08.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2021-45421 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Emerson Dixell XWEB-500 products are affected by information disclosure via directory listing. A potential attacker can use this misconfiguration to access all the files in the remote directories. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

Description

Emerson Dixell XWEB-500 products are affected by information disclosure via directory listing. A potential attacker can use this misconfiguration to access all the files in the remote directories. Note: the product has not been supported since 2018 and should be removed or replaced

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

1.57%

72.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Emerson	Dixell Xweb-500 Firmware	All versions

References

http://dixell.comProduct
http://emerson.comVendor Advisory
https://www.swascan.com/emersonExploit, Third Party Advisory
http://dixell.comProduct
http://emerson.comVendor Advisory
https://www.swascan.com/emersonExploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2021-45421?

How severe is CVE-2021-45421?

CVE-2021-45421 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45421?

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-2021-45421?

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

Scan your code now

Source: NVD / NIST